74928628 has 12 divisors (see below), whose sum is σ = 138026560. Its totient is φ = 35492472.

The previous prime is 74928619. The next prime is 74928631. The reversal of 74928628 is 82682947.

It is a super-2 number, since 2×74928628² = 11228598587924768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 492876 + ... + 493027.

Almost surely, 2^74928628 is an apocalyptic number.

It is an amenable number.

74928628 is a deficient number, since it is larger than the sum of its proper divisors (63097932).

74928628 is a wasteful number, since it uses less digits than its factorization.

74928628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985926 (or 985924 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 74928628 is about 8656.1323927029. The cubic root of 74928628 is about 421.5825180254.

The spelling of 74928628 in words is "seventy-four million, nine hundred twenty-eight thousand, six hundred twenty-eight".