74107628 has 24 divisors (see below), whose sum is σ = 150431232. Its totient is φ = 31285584.

The previous prime is 74107603. The next prime is 74107643. The reversal of 74107628 is 82670147.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17876 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (6267968).

Almost surely, 2^74107628 is an apocalyptic number.

It is an amenable number.

74107628 is an abundant number, since it is smaller than the sum of its proper divisors (76323604).

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

74107628 is a wasteful number, since it uses less digits than its factorization.

74107628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39581 (or 39579 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 74107628 is about 8608.5787444851. The cubic root of 74107628 is about 420.0370866722.

The spelling of 74107628 in words is "seventy-four million, one hundred seven thousand, six hundred twenty-eight".