91240674 has 16 divisors (see below), whose sum is σ = 208550208. Its totient is φ = 26068752.

The previous prime is 91240663. The next prime is 91240691. The reversal of 91240674 is 47604219.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086157 + ... + 1086240.

It is an arithmetic number, because the mean of its divisors is an integer number (13034388).

Almost surely, 2^91240674 is an apocalyptic number.

91240674 is an abundant number, since it is smaller than the sum of its proper divisors (117309534).

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

91240674 is a wasteful number, since it uses less digits than its factorization.

91240674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172409.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 91240674 is about 9551.9984296481. The cubic root of 91240674 is about 450.1903293646.

The spelling of 91240674 in words is "ninety-one million, two hundred forty thousand, six hundred seventy-four".