90936672 has 48 divisors (see below), whose sum is σ = 252754992. Its totient is φ = 28528640.

The previous prime is 90936667. The next prime is 90936697. The reversal of 90936672 is 27663909.

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

It is a congruent number.

It is an unprimeable number.

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, 26229 + ... + 29492.

It is an arithmetic number, because the mean of its divisors is an integer number (5265729).

Almost surely, 2^90936672 is an apocalyptic number.

It is an amenable number.

90936672 is an abundant number, since it is smaller than the sum of its proper divisors (161818320).

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

90936672 is a wasteful number, since it uses less digits than its factorization.

90936672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55751 (or 55743 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 90936672 is about 9536.0721473781. The cubic root of 90936672 is about 449.6897812538.

The spelling of 90936672 in words is "ninety million, nine hundred thirty-six thousand, six hundred seventy-two".