90247792 has 20 divisors (see below), whose sum is σ = 177723496. Its totient is φ = 44383680.

The previous prime is 90247771. The next prime is 90247811. The reversal of 90247792 is 29774209.

It is a congruent number.

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, 45258 + ... + 47209.

Almost surely, 2^90247792 is an apocalyptic number.

It is an amenable number.

90247792 is a deficient number, since it is larger than the sum of its proper divisors (87475704).

90247792 is a wasteful number, since it uses less digits than its factorization.

90247792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92536 (or 92530 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 90247792 is about 9499.8837887629. The cubic root of 90247792 is about 448.5513778712.

The spelling of 90247792 in words is "ninety million, two hundred forty-seven thousand, seven hundred ninety-two".