90068064 has 48 divisors (see below), whose sum is σ = 242828208. Its totient is φ = 29210112.

The previous prime is 90068029. The next prime is 90068081. The reversal of 90068064 is 46086009.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×90068064² = 16224512305416192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9127 + ... + 16230.

It is an arithmetic number, because the mean of its divisors is an integer number (5058921).

Almost surely, 2^90068064 is an apocalyptic number.

It is an amenable number.

90068064 is an abundant number, since it is smaller than the sum of its proper divisors (152760144).

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

90068064 is a wasteful number, since it uses less digits than its factorization.

90068064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25407 (or 25399 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 90068064 is about 9490.4195903026. The cubic root of 90068064 is about 448.2534174232.

The spelling of 90068064 in words is "ninety million, sixty-eight thousand, sixty-four".