74261992 has 32 divisors (see below), whose sum is σ = 159577920. Its totient is φ = 31737600.

The previous prime is 74261977. The next prime is 74262007. The reversal of 74261992 is 29916247.

It is an interprime number because it is at equal distance from previous prime (74261977) and next prime (74262007).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20803 + ... + 24109.

It is an arithmetic number, because the mean of its divisors is an integer number (4986810).

Almost surely, 2^74261992 is an apocalyptic number.

It is an amenable number.

74261992 is an abundant number, since it is smaller than the sum of its proper divisors (85315928).

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

74261992 is a wasteful number, since it uses less digits than its factorization.

74261992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721 (or 3717 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 74261992 is about 8617.5397881298. The cubic root of 74261992 is about 420.3285260271.

The spelling of 74261992 in words is "seventy-four million, two hundred sixty-one thousand, nine hundred ninety-two".