91742031104 has 36 divisors (see below), whose sum is σ = 183218598276. Its totient is φ = 45847744512.

The previous prime is 91742031097. The next prime is 91742031127. The reversal of 91742031104 is 40113024719.

It can be written as a sum of positive squares in 2 ways, for example, as 52239673600 + 39502357504 = 228560^2 + 198752^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 420302 + ... + 600114.

Almost surely, 2^91742031104 is an apocalyptic number.

It is an amenable number.

91742031104 is a deficient number, since it is larger than the sum of its proper divisors (91476567172).

91742031104 is a wasteful number, since it uses less digits than its factorization.

91742031104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181822 (or 181808 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 91742031104 in words is "ninety-one billion, seven hundred forty-two million, thirty-one thousand, one hundred four".