91413742 has 16 divisors (see below), whose sum is σ = 162113760. Its totient is φ = 37826208.

The previous prime is 91413737. The next prime is 91413757. The reversal of 91413742 is 24731419.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112173 + ... + 112984.

It is an arithmetic number, because the mean of its divisors is an integer number (10132110).

Almost surely, 2^91413742 is an apocalyptic number.

91413742 is a deficient number, since it is larger than the sum of its proper divisors (70700018).

91413742 is a wasteful number, since it uses less digits than its factorization.

91413742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225195.

The product of its digits is 6048, while the sum is 31.

The square root of 91413742 is about 9561.0533938474. The cubic root of 91413742 is about 450.4747943422.

The spelling of 91413742 in words is "ninety-one million, four hundred thirteen thousand, seven hundred forty-two".