74648680 has 32 divisors (see below), whose sum is σ = 170092800. Its totient is φ = 29480256.

The previous prime is 74648677. The next prime is 74648687. The reversal of 74648680 is 8684647.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74648687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8652 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (5315400).

Almost surely, 2^74648680 is an apocalyptic number.

It is an amenable number.

74648680 is an abundant number, since it is smaller than the sum of its proper divisors (95444120).

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

74648680 is a wasteful number, since it uses less digits than its factorization.

74648680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23713 (or 23709 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 74648680 is about 8639.9467590952. The cubic root of 74648680 is about 421.0568245525.

The spelling of 74648680 in words is "seventy-four million, six hundred forty-eight thousand, six hundred eighty".