74434572 has 48 divisors (see below), whose sum is σ = 194181120. Its totient is φ = 24656976.

The previous prime is 74434559. The next prime is 74434583. The reversal of 74434572 is 27543447.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15973 + ... + 20099.

It is an arithmetic number, because the mean of its divisors is an integer number (4045440).

Almost surely, 2^74434572 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 74434572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97090560).

74434572 is an abundant number, since it is smaller than the sum of its proper divisors (119746548).

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

74434572 is a wasteful number, since it uses less digits than its factorization.

74434572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307 (or 4299 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 74434572 is about 8627.5472760223. The cubic root of 74434572 is about 420.6538794349.

The spelling of 74434572 in words is "seventy-four million, four hundred thirty-four thousand, five hundred seventy-two".