92772640 has 24 divisors (see below), whose sum is σ = 219175740. Its totient is φ = 37108992.

The previous prime is 92772607. The next prime is 92772671. The reversal of 92772640 is 4627729.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92236816 + 535824 = 9604^2 + 732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 92772640.

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 3 ways as a sum of consecutive naturals, for example, 289755 + ... + 290074.

Almost surely, 2^92772640 is an apocalyptic number.

It is an amenable number.

92772640 is an abundant number, since it is smaller than the sum of its proper divisors (126403100).

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

92772640 is a wasteful number, since it uses less digits than its factorization.

92772640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579844 (or 579836 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 92772640 is about 9631.8554806434. The cubic root of 92772640 is about 452.6959805510.

The spelling of 92772640 in words is "ninety-two million, seven hundred seventy-two thousand, six hundred forty".