91742956 has 12 divisors (see below), whose sum is σ = 160652968. Its totient is φ = 45842112.

The previous prime is 91742923. The next prime is 91742957. The reversal of 91742956 is 65924719.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91742957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655 + ... + 13561.

Almost surely, 2^91742956 is an apocalyptic number.

It is an amenable number.

91742956 is a deficient number, since it is larger than the sum of its proper divisors (68910012).

91742956 is a wasteful number, since it uses less digits than its factorization.

91742956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688 (or 14686 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 91742956 is about 9578.2543294694. The cubic root of 91742956 is about 451.0149207703.

The spelling of 91742956 in words is "ninety-one million, seven hundred forty-two thousand, nine hundred fifty-six".