90537192 has 24 divisors (see below), whose sum is σ = 245205090. Its totient is φ = 30179040.

The previous prime is 90537163. The next prime is 90537221. The reversal of 90537192 is 29173509.

It is an interprime number because it is at equal distance from previous prime (90537163) and next prime (90537221).

It can be written as a sum of positive squares in only one way, i.e., 60000516 + 30536676 = 7746^2 + 5526^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628659 + ... + 628802.

Almost surely, 2^90537192 is an apocalyptic number.

It is an amenable number.

90537192 is an abundant number, since it is smaller than the sum of its proper divisors (154667898).

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

90537192 is a wasteful number, since it uses less digits than its factorization.

90537192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257473 (or 1257466 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 90537192 is about 9515.1033625495. The cubic root of 90537192 is about 449.0303268355.

The spelling of 90537192 in words is "ninety million, five hundred thirty-seven thousand, one hundred ninety-two".