74403628 has 36 divisors (see below), whose sum is σ = 148985872. Its totient is φ = 32313600.

The previous prime is 74403617. The next prime is 74403629. The reversal of 74403628 is 82630447.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 74403593 and 74403602.

It is not an unprimeable number, because it can be changed into a prime (74403629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12553 + ... + 17503.

Almost surely, 2^74403628 is an apocalyptic number.

It is an amenable number.

74403628 is an abundant number, since it is smaller than the sum of its proper divisors (74582244).

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

74403628 is a wasteful number, since it uses less digits than its factorization.

74403628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 74403628 is about 8625.7537641646. The cubic root of 74403628 is about 420.5955798326.

The spelling of 74403628 in words is "seventy-four million, four hundred three thousand, six hundred twenty-eight".