90772036 has 6 divisors (see below), whose sum is σ = 158851070. Its totient is φ = 45386016.

The previous prime is 90771979. The next prime is 90772049. The reversal of 90772036 is 63027709.

It can be written as a sum of positive squares in only one way, i.e., 59969536 + 30802500 = 7744^2 + 5550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90771992 and 90772010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11346501 + ... + 11346508.

Almost surely, 2^90772036 is an apocalyptic number.

It is an amenable number.

90772036 is a deficient number, since it is larger than the sum of its proper divisors (68079034).

90772036 is a wasteful number, since it uses less digits than its factorization.

90772036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22693013 (or 22693011 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 90772036 is about 9527.4359614746. The cubic root of 90772036 is about 449.4182375188.

The spelling of 90772036 in words is "ninety million, seven hundred seventy-two thousand, thirty-six".