74322660 has 48 divisors (see below), whose sum is σ = 217155456. Its totient is φ = 18957312.

The previous prime is 74322659. The next prime is 74322697. The reversal of 74322660 is 6622347.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25549 + ... + 28308.

It is an arithmetic number, because the mean of its divisors is an integer number (4524072).

Almost surely, 2^74322660 is an apocalyptic number.

It is an amenable number.

74322660 is an abundant number, since it is smaller than the sum of its proper divisors (142832796).

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

74322660 is a wasteful number, since it uses less digits than its factorization.

74322660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53892 (or 53890 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 74322660 is about 8621.0590996698. The cubic root of 74322660 is about 420.4429567039.

The spelling of 74322660 in words is "seventy-four million, three hundred twenty-two thousand, six hundred sixty".