91453792 has 12 divisors (see below), whose sum is σ = 180049716. Its totient is φ = 45726880.

The previous prime is 91453787. The next prime is 91453793. The reversal of 91453792 is 29735419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91453793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428934 + ... + 1428997.

It is an arithmetic number, because the mean of its divisors is an integer number (15004143).

Almost surely, 2^91453792 is an apocalyptic number.

It is an amenable number.

91453792 is a deficient number, since it is larger than the sum of its proper divisors (88595924).

91453792 is a wasteful number, since it uses less digits than its factorization.

91453792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857941 (or 2857933 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 91453792 is about 9563.1475989864. The cubic root of 91453792 is about 450.5405717662.

The spelling of 91453792 in words is "ninety-one million, four hundred fifty-three thousand, seven hundred ninety-two".