90744576 has 144 divisors (see below), whose sum is σ = 266128800. Its totient is φ = 27279360.

The previous prime is 90744569. The next prime is 90744581. The reversal of 90744576 is 67544709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608950 + ... + 609098.

Almost surely, 2^90744576 is an apocalyptic number.

90744576 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90744576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133064400).

90744576 is an abundant number, since it is smaller than the sum of its proper divisors (175384224).

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

90744576 is a wasteful number, since it uses less digits than its factorization.

90744576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 90744576 is about 9525.9947512058. The cubic root of 90744576 is about 449.3729142011.

The spelling of 90744576 in words is "ninety million, seven hundred forty-four thousand, five hundred seventy-six".