91485374 has 4 divisors (see below), whose sum is σ = 137228064. Its totient is φ = 45742686.

The previous prime is 91485319. The next prime is 91485377. The reversal of 91485374 is 47358419.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91485377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22871342 + ... + 22871345.

It is an arithmetic number, because the mean of its divisors is an integer number (34307016).

Almost surely, 2^91485374 is an apocalyptic number.

91485374 is a deficient number, since it is larger than the sum of its proper divisors (45742690).

91485374 is a wasteful number, since it uses less digits than its factorization.

91485374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45742689.

The product of its digits is 120960, while the sum is 41.

The square root of 91485374 is about 9564.7986910337. The cubic root of 91485374 is about 450.5924279529.

The spelling of 91485374 in words is "ninety-one million, four hundred eighty-five thousand, three hundred seventy-four".