74446860 has 96 divisors (see below), whose sum is σ = 220792320. Its totient is φ = 18703872.

The previous prime is 74446847. The next prime is 74446861. The reversal of 74446860 is 6864447.

It is not an unprimeable number, because it can be changed into a prime (74446861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100371 + ... + 101109.

It is an arithmetic number, because the mean of its divisors is an integer number (2299920).

Almost surely, 2^74446860 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 74446860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110396160).

74446860 is an abundant number, since it is smaller than the sum of its proper divisors (146345460).

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

74446860 is a wasteful number, since it uses less digits than its factorization.

74446860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 74446860 is about 8628.2593841400. The cubic root of 74446860 is about 420.6770259841.

The spelling of 74446860 in words is "seventy-four million, four hundred forty-six thousand, eight hundred sixty".