74592661 has 16 divisors (see below), whose sum is σ = 87937920. Its totient is φ = 62377920.

The previous prime is 74592649. The next prime is 74592667. The reversal of 74592661 is 16629547.

It is not a de Polignac number, because 74592661 - 2⁷ = 74592533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74592667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50611 + ... + 52063.

It is an arithmetic number, because the mean of its divisors is an integer number (5496120).

Almost surely, 2^74592661 is an apocalyptic number.

It is an amenable number.

74592661 is a deficient number, since it is larger than the sum of its proper divisors (13345259).

74592661 is a wasteful number, since it uses less digits than its factorization.

74592661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its digits is 90720, while the sum is 40.

The square root of 74592661 is about 8636.7042904108. The cubic root of 74592661 is about 420.9514729021.

The spelling of 74592661 in words is "seventy-four million, five hundred ninety-two thousand, six hundred sixty-one".