74324480 has 40 divisors (see below), whose sum is σ = 178210692. Its totient is φ = 29728768.

The previous prime is 74324461. The next prime is 74324489. The reversal of 74324480 is 8442347.

It can be written as a sum of positive squares in 2 ways, for example, as 72726784 + 1597696 = 8528^2 + 1264^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (74324489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11957 + ... + 17076.

Almost surely, 2^74324480 is an apocalyptic number.

It is an amenable number.

74324480 is an abundant number, since it is smaller than the sum of its proper divisors (103886212).

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

74324480 is an equidigital number, since it uses as much as digits as its factorization.

74324480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29056 (or 29040 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 74324480 is about 8621.1646545000. The cubic root of 74324480 is about 420.4463885865.

The spelling of 74324480 in words is "seventy-four million, three hundred twenty-four thousand, four hundred eighty".