91634674 has 8 divisors (see below), whose sum is σ = 138813228. Its totient is φ = 45363600.

The previous prime is 91634633. The next prime is 91634687. The reversal of 91634674 is 47643619.

It can be written as a sum of positive squares in 2 ways, for example, as 74701449 + 16933225 = 8643^2 + 4115^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226617 + ... + 227020.

Almost surely, 2^91634674 is an apocalyptic number.

91634674 is a deficient number, since it is larger than the sum of its proper divisors (47178554).

91634674 is a wasteful number, since it uses less digits than its factorization.

91634674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453740.

The product of its digits is 108864, while the sum is 40.

The square root of 91634674 is about 9572.6001692330. The cubic root of 91634674 is about 450.8374102342.

The spelling of 91634674 in words is "ninety-one million, six hundred thirty-four thousand, six hundred seventy-four".