74682128 has 20 divisors (see below), whose sum is σ = 144865728. Its totient is φ = 37297440.

The previous prime is 74682121. The next prime is 74682133. The reversal of 74682128 is 82128647.

It is a junction number, because it is equal to n+sod(n) for n = 74682091 and 74682100.

It is not an unprimeable number, because it can be changed into a prime (74682121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14813 + ... + 19203.

Almost surely, 2^74682128 is an apocalyptic number.

It is an amenable number.

74682128 is a deficient number, since it is larger than the sum of its proper divisors (70183600).

74682128 is a wasteful number, since it uses less digits than its factorization.

74682128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5456 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 74682128 is about 8641.8822023909. The cubic root of 74682128 is about 421.1197031179.

The spelling of 74682128 in words is "seventy-four million, six hundred eighty-two thousand, one hundred twenty-eight".