91474464 has 24 divisors (see below), whose sum is σ = 240120720. Its totient is φ = 30491456.

The previous prime is 91474463. The next prime is 91474469. The reversal of 91474464 is 46447419.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (91474463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476334 + ... + 476525.

It is an arithmetic number, because the mean of its divisors is an integer number (10005030).

Almost surely, 2^91474464 is an apocalyptic number.

It is an amenable number.

91474464 is an abundant number, since it is smaller than the sum of its proper divisors (148646256).

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

91474464 is a wasteful number, since it uses less digits than its factorization.

91474464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952872 (or 952864 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 91474464 is about 9564.2283536101. The cubic root of 91474464 is about 450.5745155858.

The spelling of 91474464 in words is "ninety-one million, four hundred seventy-four thousand, four hundred sixty-four".