90695570 has 48 divisors (see below), whose sum is σ = 190885248. Its totient is φ = 30935520.

The previous prime is 90695543. The next prime is 90695581. The reversal of 90695570 is 7559609.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132449 + ... + 133131.

It is an arithmetic number, because the mean of its divisors is an integer number (3976776).

Almost surely, 2^90695570 is an apocalyptic number.

90695570 is an abundant number, since it is smaller than the sum of its proper divisors (100189678).

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

90695570 is a wasteful number, since it uses less digits than its factorization.

90695570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 90695570 is about 9523.4221790279. The cubic root of 90695570 is about 449.2920060247.

The spelling of 90695570 in words is "ninety million, six hundred ninety-five thousand, five hundred seventy".