74664744 has 96 divisors (see below), whose sum is σ = 234548160. Its totient is φ = 19388160.

The previous prime is 74664721. The next prime is 74664761. The reversal of 74664744 is 44746647.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 74664696 and 74664705.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18492 + ... + 22164.

It is an arithmetic number, because the mean of its divisors is an integer number (2443210).

Almost surely, 2^74664744 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 74664744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117274080).

74664744 is an abundant number, since it is smaller than the sum of its proper divisors (159883416).

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

74664744 is a wasteful number, since it uses less digits than its factorization.

74664744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3696 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The square root of 74664744 is about 8640.8763444456. The cubic root of 74664744 is about 421.0870254514.

The spelling of 74664744 in words is "seventy-four million, six hundred sixty-four thousand, seven hundred forty-four".