74136412 has 36 divisors (see below), whose sum is σ = 156136680. Its totient is φ = 30674784.

The previous prime is 74136409. The next prime is 74136427. The reversal of 74136412 is 21463147.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 838 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (4337130).

Almost surely, 2^74136412 is an apocalyptic number.

It is an amenable number.

74136412 is an abundant number, since it is smaller than the sum of its proper divisors (82000268).

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

74136412 is a wasteful number, since it uses less digits than its factorization.

74136412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13090 (or 13081 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 74136412 is about 8610.2504028629. The cubic root of 74136412 is about 420.0914615629.

Adding to 74136412 its reverse (21463147), we get a palindrome (95599559).

The spelling of 74136412 in words is "seventy-four million, one hundred thirty-six thousand, four hundred twelve".