74379960 has 96 divisors (see below), whose sum is σ = 242882640. Its totient is φ = 19740672.

The previous prime is 74379941. The next prime is 74379961. The reversal of 74379960 is 6997347.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74379961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110184 + ... + 110856.

Almost surely, 2^74379960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74379960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121441320).

74379960 is an abundant number, since it is smaller than the sum of its proper divisors (168502680).

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

74379960 is a wasteful number, since it uses less digits than its factorization.

74379960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 74379960 is about 8624.3817169696. The cubic root of 74379960 is about 420.5509775635.

The spelling of 74379960 in words is "seventy-four million, three hundred seventy-nine thousand, nine hundred sixty".