90275256474 has 32 divisors (see below), whose sum is σ = 194455028544. Its totient is φ = 27774714240.

The previous prime is 90275256431. The next prime is 90275256479. The reversal of 90275256474 is 47465257209.

It is not an unprimeable number, because it can be changed into a prime (90275256479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073397 + ... + 1154439.

It is an arithmetic number, because the mean of its divisors is an integer number (6076719642).

Almost surely, 2^90275256474 is an apocalyptic number.

90275256474 is an abundant number, since it is smaller than the sum of its proper divisors (104179772070).

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

90275256474 is a wasteful number, since it uses less digits than its factorization.

90275256474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95342.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 90275256474 in words is "ninety billion, two hundred seventy-five million, two hundred fifty-six thousand, four hundred seventy-four".