74344480 has 96 divisors (see below), whose sum is σ = 205752960. Its totient is φ = 24852480.

The previous prime is 74344477. The next prime is 74344489. The reversal of 74344480 is 8444347.

It is not an unprimeable number, because it can be changed into a prime (74344489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45111 + ... + 46729.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260).

Almost surely, 2^74344480 is an apocalyptic number.

74344480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74344480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102876480).

74344480 is an abundant number, since it is smaller than the sum of its proper divisors (131408480).

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

74344480 is a wasteful number, since it uses less digits than its factorization.

74344480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 74344480 is about 8622.3245125662. The cubic root of 74344480 is about 420.4840978923.

The spelling of 74344480 in words is "seventy-four million, three hundred forty-four thousand, four hundred eighty".