730442232 has 128 divisors (see below), whose sum is σ = 2300256000. Its totient is φ = 212906880.

The previous prime is 730442231. The next prime is 730442233. The reversal of 730442232 is 232244037.

It is an interprime number because it is at equal distance from previous prime (730442231) and next prime (730442233).

It is a super-3 number, since 3×730442232³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 730442196 and 730442205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730442231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46507 + ... + 60197.

It is an arithmetic number, because the mean of its divisors is an integer number (17970750).

Almost surely, 2^730442232 is an apocalyptic number.

730442232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730442232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150128000).

730442232 is an abundant number, since it is smaller than the sum of its proper divisors (1569813768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730442232 is a wasteful number, since it uses less digits than its factorization.

730442232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738 (or 13728 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 730442232 is about 27026.6948034716. The cubic root of 730442232 is about 900.5931201458.

Adding to 730442232 its reverse (232244037), we get a palindrome (962686269).

The spelling of 730442232 in words is "seven hundred thirty million, four hundred forty-two thousand, two hundred thirty-two".