91674607 has 2 divisors, whose sum is σ = 91674608. Its totient is φ = 91674606.

The previous prime is 91674593. The next prime is 91674617. The reversal of 91674607 is 70647619.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91674607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91674607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91674617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45837303 + 45837304.

It is an arithmetic number, because the mean of its divisors is an integer number (45837304).

Almost surely, 2^91674607 is an apocalyptic number.

91674607 is a deficient number, since it is larger than the sum of its proper divisors (1).

91674607 is an equidigital number, since it uses as much as digits as its factorization.

91674607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 91674607 is about 9574.6857389681. The cubic root of 91674607 is about 450.9028900901.

The spelling of 91674607 in words is "ninety-one million, six hundred seventy-four thousand, six hundred seven".