90457275 has 48 divisors (see below), whose sum is σ = 159989760. Its totient is φ = 44985600.

The previous prime is 90457261. The next prime is 90457307. The reversal of 90457275 is 57275409.

It is not a de Polignac number, because 90457275 - 2⁴ = 90457259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70086 + ... + 71364.

It is an arithmetic number, because the mean of its divisors is an integer number (3333120).

Almost surely, 2^90457275 is an apocalyptic number.

90457275 is a deficient number, since it is larger than the sum of its proper divisors (69532485).

90457275 is a wasteful number, since it uses less digits than its factorization.

90457275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 90457275 is about 9510.9029539787. The cubic root of 90457275 is about 448.8981685493.

The spelling of 90457275 in words is "ninety million, four hundred fifty-seven thousand, two hundred seventy-five".