91542874 has 8 divisors (see below), whose sum is σ = 144541440. Its totient is φ = 43362396.

The previous prime is 91542863. The next prime is 91542881. The reversal of 91542874 is 47824519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204474 + ... + 1204549.

It is an arithmetic number, because the mean of its divisors is an integer number (18067680).

Almost surely, 2^91542874 is an apocalyptic number.

91542874 is a deficient number, since it is larger than the sum of its proper divisors (52998566).

91542874 is a wasteful number, since it uses less digits than its factorization.

91542874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409044.

The product of its digits is 80640, while the sum is 40.

The square root of 91542874 is about 9567.8040322741. The cubic root of 91542874 is about 450.6868096640.

It can be divided in two parts, 91542 and 874, that added together give a square (92416 = 304²).

The spelling of 91542874 in words is "ninety-one million, five hundred forty-two thousand, eight hundred seventy-four".