90632064 has 32 divisors (see below), whose sum is σ = 240742440. Its totient is φ = 30210560.

The previous prime is 90632053. The next prime is 90632077. The reversal of 90632064 is 46023609.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent 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, 117627 + ... + 118394.

Almost surely, 2^90632064 is an apocalyptic number.

It is an amenable number.

90632064 is an abundant number, since it is smaller than the sum of its proper divisors (150110376).

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

90632064 is a wasteful number, since it uses less digits than its factorization.

90632064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236038 (or 236026 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 90632064 is about 9520.0873945568. The cubic root of 90632064 is about 449.1871151964.

The spelling of 90632064 in words is "ninety million, six hundred thirty-two thousand, sixty-four".