730131132 has 24 divisors (see below), whose sum is σ = 1710124416. Its totient is φ = 242450608.

The previous prime is 730131109. The next prime is 730131133. The reversal of 730131132 is 231131037.

It is a junction number, because it is equal to n+sod(n) for n = 730131099 and 730131108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730131133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112518 + ... + 118829.

It is an arithmetic number, because the mean of its divisors is an integer number (71255184).

Almost surely, 2^730131132 is an apocalyptic number.

It is an amenable number.

730131132 is an abundant number, since it is smaller than the sum of its proper divisors (979993284).

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

730131132 is a wasteful number, since it uses less digits than its factorization.

730131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231617 (or 231615 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 730131132 is about 27020.9387697763. The cubic root of 730131132 is about 900.4652458742.

Adding to 730131132 its reverse (231131037), we get a palindrome (961262169).

The spelling of 730131132 in words is "seven hundred thirty million, one hundred thirty-one thousand, one hundred thirty-two".