90735232 has 32 divisors (see below), whose sum is σ = 206586720. Its totient is φ = 38886144.

The previous prime is 90735221. The next prime is 90735247. The reversal of 90735232 is 23253709.

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

It is a junction number, because it is equal to n+sod(n) for n = 90735194 and 90735203.

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, 49738 + ... + 51529.

It is an arithmetic number, because the mean of its divisors is an integer number (6455835).

Almost surely, 2^90735232 is an apocalyptic number.

It is an amenable number.

90735232 is an abundant number, since it is smaller than the sum of its proper divisors (115851488).

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

90735232 is a wasteful number, since it uses less digits than its factorization.

90735232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101288 (or 101276 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 90735232 is about 9525.5042911124. The cubic root of 90735232 is about 449.3574896442.

The spelling of 90735232 in words is "ninety million, seven hundred thirty-five thousand, two hundred thirty-two".