90125274 has 32 divisors (see below), whose sum is σ = 182465856. Its totient is φ = 29675520.

The previous prime is 90125267. The next prime is 90125311. The reversal of 90125274 is 47252109.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325224 + ... + 325500.

It is an arithmetic number, because the mean of its divisors is an integer number (5702058).

Almost surely, 2^90125274 is an apocalyptic number.

90125274 is an abundant number, since it is smaller than the sum of its proper divisors (92340582).

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

90125274 is a wasteful number, since it uses less digits than its factorization.

90125274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 90125274 is about 9493.4332040627. The cubic root of 90125274 is about 448.3483054782.

The spelling of 90125274 in words is "ninety million, one hundred twenty-five thousand, two hundred seventy-four".