9120657532 has 72 divisors (see below), whose sum is σ = 18736114320. Its totient is φ = 3873461760.

The previous prime is 9120657523. The next prime is 9120657541. The reversal of 9120657532 is 2357560219.

It is an interprime number because it is at equal distance from previous prime (9120657523) and next prime (9120657541).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13839819 + ... + 13840477.

It is an arithmetic number, because the mean of its divisors is an integer number (260223810).

Almost surely, 2^9120657532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9120657532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9368057160).

9120657532 is an abundant number, since it is smaller than the sum of its proper divisors (9615456788).

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

9120657532 is a wasteful number, since it uses less digits than its factorization.

9120657532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 9120657532 is about 95502.1336515578. The cubic root of 9120657532 is about 2089.3380634621.

The spelling of 9120657532 in words is "nine billion, one hundred twenty million, six hundred fifty-seven thousand, five hundred thirty-two".