90799072 has 48 divisors (see below), whose sum is σ = 220020192. Its totient is φ = 35919360.

The previous prime is 90799063. The next prime is 90799099. The reversal of 90799072 is 27099709.

It is a super-2 number, since 2×90799072² = 16488942952122368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12679 + ... + 18502.

It is an arithmetic number, because the mean of its divisors is an integer number (4583754).

Almost surely, 2^90799072 is an apocalyptic number.

It is an amenable number.

90799072 is an abundant number, since it is smaller than the sum of its proper divisors (129221120).

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

90799072 is a wasteful number, since it uses less digits than its factorization.

90799072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31211 (or 31203 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 90799072 is about 9528.8547055772. The cubic root of 90799072 is about 449.4628520862.

The spelling of 90799072 in words is "ninety million, seven hundred ninety-nine thousand, seventy-two".