90633065 has 4 divisors (see below), whose sum is σ = 108759684. Its totient is φ = 72506448.

The previous prime is 90633029. The next prime is 90633107. The reversal of 90633065 is 56033609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56033609 = 2221 ⋅25229.

It can be written as a sum of positive squares in 2 ways, for example, as 14227984 + 76405081 = 3772^2 + 8741^2 .

It is a cyclic number.

It is not a de Polignac number, because 90633065 - 2²⁰ = 89584489 is a prime.

It is a Duffinian 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, 9063302 + ... + 9063311.

It is an arithmetic number, because the mean of its divisors is an integer number (27189921).

Almost surely, 2^90633065 is an apocalyptic number.

It is an amenable number.

90633065 is a deficient number, since it is larger than the sum of its proper divisors (18126619).

90633065 is a wasteful number, since it uses less digits than its factorization.

90633065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18126618.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 90633065 is about 9520.1399674585. The cubic root of 90633065 is about 449.1887688961.

The spelling of 90633065 in words is "ninety million, six hundred thirty-three thousand, sixty-five".