90647080 has 16 divisors (see below), whose sum is σ = 203956020. Its totient is φ = 36258816.

The previous prime is 90647041. The next prime is 90647113. The reversal of 90647080 is 8074609.

It can be written as a sum of positive squares in 2 ways, for example, as 90592324 + 54756 = 9518^2 + 234^2 .

It is a super-2 number, since 2×90647080² = 16433786225052800, which contains 22 as substring.

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, 1133049 + ... + 1133128.

Almost surely, 2^90647080 is an apocalyptic number.

It is an amenable number.

90647080 is an abundant number, since it is smaller than the sum of its proper divisors (113308940).

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

90647080 is a wasteful number, since it uses less digits than its factorization.

90647080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266188 (or 2266184 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 90647080 is about 9520.8760101159. The cubic root of 90647080 is about 449.2119210652.

The spelling of 90647080 in words is "ninety million, six hundred forty-seven thousand, eighty".