91033942 has 4 divisors (see below), whose sum is σ = 136550916. Its totient is φ = 45516970.

The previous prime is 91033927. The next prime is 91033951. The reversal of 91033942 is 24933019.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758484 + ... + 22758487.

It is an arithmetic number, because the mean of its divisors is an integer number (34137729).

Almost surely, 2^91033942 is an apocalyptic number.

91033942 is a deficient number, since it is larger than the sum of its proper divisors (45516974).

91033942 is a wasteful number, since it uses less digits than its factorization.

91033942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45516973.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 91033942 is about 9541.1708925058. The cubic root of 91033942 is about 449.8500603338.

The spelling of 91033942 in words is "ninety-one million, thirty-three thousand, nine hundred forty-two".