91674051 has 12 divisors (see below), whose sum is σ = 142188552. Its totient is φ = 52385088.

The previous prime is 91674029. The next prime is 91674053. The reversal of 91674051 is 15047619.

It is not a de Polignac number, because 91674051 - 2⁵ = 91674019 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91674053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311670 + ... + 311963.

It is an arithmetic number, because the mean of its divisors is an integer number (11849046).

Almost surely, 2^91674051 is an apocalyptic number.

91674051 is a deficient number, since it is larger than the sum of its proper divisors (50514501).

91674051 is a wasteful number, since it uses less digits than its factorization.

91674051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623650 (or 623643 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 91674051 is about 9574.6567040286. The cubic root of 91674051 is about 450.9019785236.

The spelling of 91674051 in words is "ninety-one million, six hundred seventy-four thousand, fifty-one".