74379660 has 24 divisors (see below), whose sum is σ = 208263216. Its totient is φ = 19834560.

The previous prime is 74379647. The next prime is 74379667. The reversal of 74379660 is 6697347.

It is not an unprimeable number, because it can be changed into a prime (74379667) 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, 619771 + ... + 619890.

It is an arithmetic number, because the mean of its divisors is an integer number (8677634).

Almost surely, 2^74379660 is an apocalyptic number.

It is an amenable number.

74379660 is an abundant number, since it is smaller than the sum of its proper divisors (133883556).

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

74379660 is a wasteful number, since it uses less digits than its factorization.

74379660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239673 (or 1239671 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 74379660 is about 8624.3643244010. The cubic root of 74379660 is about 420.5504121538.

The spelling of 74379660 in words is "seventy-four million, three hundred seventy-nine thousand, six hundred sixty".