91746379 has 8 divisors (see below), whose sum is σ = 97306272. Its totient is φ = 86317440.

The previous prime is 91746377. The next prime is 91746407. The reversal of 91746379 is 97364719.

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

It is not a de Polignac number, because 91746379 - 2¹ = 91746377 is a prime.

It is a super-2 number, since 2×91746379² = 16834796119223282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91746373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31294 + ... + 34099.

It is an arithmetic number, because the mean of its divisors is an integer number (12163284).

Almost surely, 2^91746379 is an apocalyptic number.

91746379 is a deficient number, since it is larger than the sum of its proper divisors (5559893).

91746379 is a wasteful number, since it uses less digits than its factorization.

91746379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65477.

The product of its digits is 285768, while the sum is 46.

The square root of 91746379 is about 9578.4330138076. The cubic root of 91746379 is about 451.0205299380.

The spelling of 91746379 in words is "ninety-one million, seven hundred forty-six thousand, three hundred seventy-nine".