90564712 has 32 divisors (see below), whose sum is σ = 205485120. Its totient is φ = 36529920.

The previous prime is 90564673. The next prime is 90564713. The reversal of 90564712 is 21746509.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (90564713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46614 + ... + 48517.

It is an arithmetic number, because the mean of its divisors is an integer number (6421410).

Almost surely, 2^90564712 is an apocalyptic number.

It is an amenable number.

90564712 is an abundant number, since it is smaller than the sum of its proper divisors (114920408).

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

90564712 is a wasteful number, since it uses less digits than its factorization.

90564712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95161 (or 95157 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 90564712 is about 9516.5493746421. The cubic root of 90564712 is about 449.0758185003.

The spelling of 90564712 in words is "ninety million, five hundred sixty-four thousand, seven hundred twelve".