91363694 has 4 divisors (see below), whose sum is σ = 137045544. Its totient is φ = 45681846.

The previous prime is 91363681. The next prime is 91363697. The reversal of 91363694 is 49636319.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91363697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22840922 + ... + 22840925.

It is an arithmetic number, because the mean of its divisors is an integer number (34261386).

Almost surely, 2^91363694 is an apocalyptic number.

91363694 is a deficient number, since it is larger than the sum of its proper divisors (45681850).

91363694 is a wasteful number, since it uses less digits than its factorization.

91363694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45681849.

The product of its digits is 104976, while the sum is 41.

The square root of 91363694 is about 9558.4357506864. The cubic root of 91363694 is about 450.3925693663.

The spelling of 91363694 in words is "ninety-one million, three hundred sixty-three thousand, six hundred ninety-four".