74484930 has 64 divisors (see below), whose sum is σ = 193431168. Its totient is φ = 18247680.

The previous prime is 74484929. The next prime is 74484983. The reversal of 74484930 is 3948447.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128802 + ... + 129378.

It is an arithmetic number, because the mean of its divisors is an integer number (3022362).

Almost surely, 2^74484930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74484930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96715584).

74484930 is an abundant number, since it is smaller than the sum of its proper divisors (118946238).

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

74484930 is a wasteful number, since it uses less digits than its factorization.

74484930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 74484930 is about 8630.4652250038. The cubic root of 74484930 is about 420.7487211738.

The spelling of 74484930 in words is "seventy-four million, four hundred eighty-four thousand, nine hundred thirty".