74591137101 has 32 divisors (see below), whose sum is σ = 109775191680. Its totient is φ = 44761457664.

The previous prime is 74591137097. The next prime is 74591137121. The reversal of 74591137101 is 10173119547.

It is not a de Polignac number, because 74591137101 - 2² = 74591137097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 74591137101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74591137121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998665 + ... + 1070753.

It is an arithmetic number, because the mean of its divisors is an integer number (3430474740).

Almost surely, 2^74591137101 is an apocalyptic number.

It is an amenable number.

74591137101 is a deficient number, since it is larger than the sum of its proper divisors (35184054579).

74591137101 is a wasteful number, since it uses less digits than its factorization.

74591137101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72765.

The product of its (nonzero) digits is 26460, while the sum is 39.

The spelling of 74591137101 in words is "seventy-four billion, five hundred ninety-one million, one hundred thirty-seven thousand, one hundred one".