91736315432 has 32 divisors (see below), whose sum is σ = 182058895200. Its totient is φ = 43213953600.

The previous prime is 91736315393. The next prime is 91736315441. The reversal of 91736315432 is 23451363719.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639694 + ... + 1694717.

It is an arithmetic number, because the mean of its divisors is an integer number (5689340475).

Almost surely, 2^91736315432 is an apocalyptic number.

It is an amenable number.

91736315432 is a deficient number, since it is larger than the sum of its proper divisors (90322579768).

91736315432 is a wasteful number, since it uses less digits than its factorization.

91736315432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334617 (or 3334613 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The spelling of 91736315432 in words is "ninety-one billion, seven hundred thirty-six million, three hundred fifteen thousand, four hundred thirty-two".