74650660 has 24 divisors (see below), whose sum is σ = 179161920. Its totient is φ = 25594464.

The previous prime is 74650657. The next prime is 74650661. The reversal of 74650660 is 6605647.

It is not an unprimeable number, because it can be changed into a prime (74650661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266470 + ... + 266749.

It is an arithmetic number, because the mean of its divisors is an integer number (7465080).

Almost surely, 2^74650660 is an apocalyptic number.

74650660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74650660 is an abundant number, since it is smaller than the sum of its proper divisors (104511260).

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

74650660 is a wasteful number, since it uses less digits than its factorization.

74650660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533235 (or 533233 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 74650660 is about 8640.0613423748. The cubic root of 74650660 is about 421.0605472580.

The spelling of 74650660 in words is "seventy-four million, six hundred fifty thousand, six hundred sixty".