74573472 has 48 divisors (see below), whose sum is σ = 198253440. Its totient is φ = 24540672.

The previous prime is 74573449. The next prime is 74573489. The reversal of 74573472 is 27437547.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×74573472² = 11122405452269568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74573472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (4130280).

Almost surely, 2^74573472 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 74573472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99126720).

74573472 is an abundant number, since it is smaller than the sum of its proper divisors (123679968).

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

74573472 is a wasteful number, since it uses less digits than its factorization.

74573472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925 (or 9917 counting only the distinct ones).

The product of its digits is 164640, while the sum is 39.

The square root of 74573472 is about 8635.5933206700. The cubic root of 74573472 is about 420.9153731461.

The spelling of 74573472 in words is "seventy-four million, five hundred seventy-three thousand, four hundred seventy-two".