99770732 has 12 divisors (see below), whose sum is σ = 174678000. Its totient is φ = 49862736.

The previous prime is 99770719. The next prime is 99770747. The reversal of 99770732 is 23707799.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838 + ... + 16154.

It is an arithmetic number, because the mean of its divisors is an integer number (14556500).

Almost surely, 2^99770732 is an apocalyptic number.

It is an amenable number.

99770732 is a deficient number, since it is larger than the sum of its proper divisors (74907268).

99770732 is a wasteful number, since it uses less digits than its factorization.

99770732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320 (or 11318 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 99770732 is about 9988.5300219802. The cubic root of 99770732 is about 463.8038893308.

The spelling of 99770732 in words is "ninety-nine million, seven hundred seventy thousand, seven hundred thirty-two".