730335540 has 48 divisors (see below), whose sum is σ = 2230845120. Its totient is φ = 177050880.

The previous prime is 730335533. The next prime is 730335631. The reversal of 730335540 is 45533037.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 730335498 and 730335507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552625 + ... + 553944.

It is an arithmetic number, because the mean of its divisors is an integer number (46475940).

Almost surely, 2^730335540 is an apocalyptic number.

It is an amenable number.

730335540 is an abundant number, since it is smaller than the sum of its proper divisors (1500509580).

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

730335540 is a wasteful number, since it uses less digits than its factorization.

730335540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106592 (or 1106590 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 730335540 is about 27024.7209051268. The cubic root of 730335540 is about 900.5492696510.

Adding to 730335540 its reverse (45533037), we get a palindrome (775868577).

The spelling of 730335540 in words is "seven hundred thirty million, three hundred thirty-five thousand, five hundred forty".