91742692 has 12 divisors (see below), whose sum is σ = 160633900. Its totient is φ = 45847296.

The previous prime is 91742683. The next prime is 91742701. The reversal of 91742692 is 29624719.

It is an interprime number because it is at equal distance from previous prime (91742683) and next prime (91742701).

It can be written as a sum of positive squares in 2 ways, for example, as 21585316 + 70157376 = 4646^2 + 8376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4684 + ... + 14332.

Almost surely, 2^91742692 is an apocalyptic number.

It is an amenable number.

91742692 is a deficient number, since it is larger than the sum of its proper divisors (68891208).

91742692 is a wasteful number, since it uses less digits than its factorization.

91742692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12030 (or 12028 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 91742692 is about 9578.2405482427. The cubic root of 91742692 is about 451.0144881556.

The spelling of 91742692 in words is "ninety-one million, seven hundred forty-two thousand, six hundred ninety-two".