74133428 has 12 divisors (see below), whose sum is σ = 129804192. Its totient is φ = 37046520.

The previous prime is 74133401. The next prime is 74133457. The reversal of 74133428 is 82433147.

It is a junction number, because it is equal to n+sod(n) for n = 74133394 and 74133403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5801 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (10817016).

Almost surely, 2^74133428 is an apocalyptic number.

It is an amenable number.

74133428 is a deficient number, since it is larger than the sum of its proper divisors (55670764).

74133428 is a wasteful number, since it uses less digits than its factorization.

74133428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102 (or 10100 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 74133428 is about 8610.0771192830. The cubic root of 74133428 is about 420.0858252423.

The spelling of 74133428 in words is "seventy-four million, one hundred thirty-three thousand, four hundred twenty-eight".