90772004 has 12 divisors (see below), whose sum is σ = 159994800. Its totient is φ = 45059208.

The previous prime is 90771979. The next prime is 90772049. The reversal of 90772004 is 40027709.

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, 81074 + ... + 82185.

It is an arithmetic number, because the mean of its divisors is an integer number (13332900).

Almost surely, 2^90772004 is an apocalyptic number.

It is an amenable number.

90772004 is a deficient number, since it is larger than the sum of its proper divisors (69222796).

90772004 is a wasteful number, since it uses less digits than its factorization.

90772004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163402 (or 163400 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 90772004 is about 9527.4342821139. The cubic root of 90772004 is about 449.4181847074.

The spelling of 90772004 in words is "ninety million, seven hundred seventy-two thousand, four".