91294074 has 32 divisors (see below), whose sum is σ = 207599040. Its totient is φ = 29722896.

The previous prime is 91294067. The next prime is 91294079. The reversal of 91294074 is 47049219.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91294079) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 17337 + ... + 21980.

It is an arithmetic number, because the mean of its divisors is an integer number (6487470).

Almost surely, 2^91294074 is an apocalyptic number.

91294074 is an abundant number, since it is smaller than the sum of its proper divisors (116304966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91294074 is a wasteful number, since it uses less digits than its factorization.

91294074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39371 (or 39365 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 91294074 is about 9554.7932473707. The cubic root of 91294074 is about 450.2781391615.

It can be divided in two parts, 9129 and 4074, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 91294074 in words is "ninety-one million, two hundred ninety-four thousand, seventy-four".