90612764 has 12 divisors (see below), whose sum is σ = 172988088. Its totient is φ = 41187600.

The previous prime is 90612761. The next prime is 90612773. The reversal of 90612764 is 46721609.

90612764 = 3362² + 3363² + ... + 3369².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90612761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029647 + ... + 1029734.

It is an arithmetic number, because the mean of its divisors is an integer number (14415674).

Almost surely, 2^90612764 is an apocalyptic number.

It is an amenable number.

90612764 is a deficient number, since it is larger than the sum of its proper divisors (82375324).

90612764 is a wasteful number, since it uses less digits than its factorization.

90612764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059396 (or 2059394 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90612764 is about 9519.0736944306. The cubic root of 90612764 is about 449.1552282961.

The spelling of 90612764 in words is "ninety million, six hundred twelve thousand, seven hundred sixty-four".