91754942 has 4 divisors (see below), whose sum is σ = 137632416. Its totient is φ = 45877470.

The previous prime is 91754939. The next prime is 91754953. The reversal of 91754942 is 24945719.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24945719 = 43 ⋅580133.

It is a self number, because there is not a number n which added to its sum of digits gives 91754942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22938734 + ... + 22938737.

It is an arithmetic number, because the mean of its divisors is an integer number (34408104).

Almost surely, 2^91754942 is an apocalyptic number.

91754942 is a deficient number, since it is larger than the sum of its proper divisors (45877474).

91754942 is a wasteful number, since it uses less digits than its factorization.

91754942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45877473.

The product of its digits is 90720, while the sum is 41.

The square root of 91754942 is about 9578.8799971604. The cubic root of 91754942 is about 451.0345612588.

The spelling of 91754942 in words is "ninety-one million, seven hundred fifty-four thousand, nine hundred forty-two".