90773964 has 18 divisors (see below), whose sum is σ = 229456500. Its totient is φ = 30257976.

The previous prime is 90773953. The next prime is 90773971. The reversal of 90773964 is 46937709.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 1260714 + ... + 1260785.

Almost surely, 2^90773964 is an apocalyptic number.

It is an amenable number.

90773964 is an abundant number, since it is smaller than the sum of its proper divisors (138682536).

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

90773964 is a wasteful number, since it uses less digits than its factorization.

90773964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521509 (or 2521504 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 90773964 is about 9527.5371424099. The cubic root of 90773964 is about 449.4214193806.

It can be divided in two parts, 9077 and 3964, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 90773964 in words is "ninety million, seven hundred seventy-three thousand, nine hundred sixty-four".