90275004 has 72 divisors (see below), whose sum is σ = 241812480. Its totient is φ = 28317600.

The previous prime is 90274993. The next prime is 90275011. The reversal of 90275004 is 40057209.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130299 + ... + 130989.

Almost surely, 2^90275004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90275004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120906240).

90275004 is an abundant number, since it is smaller than the sum of its proper divisors (151537476).

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

90275004 is a wasteful number, since it uses less digits than its factorization.

90275004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 90275004 is about 9501.3159088623. The cubic root of 90275004 is about 448.5964565493.

The spelling of 90275004 in words is "ninety million, two hundred seventy-five thousand, four".