74457152 has 112 divisors (see below), whose sum is σ = 190926720. Its totient is φ = 27955200.

The previous prime is 74457139. The next prime is 74457193. The reversal of 74457152 is 25175447.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×74457152² = 11087734967902208, which contains 22 as substring.

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, 142652 + ... + 143172.

Almost surely, 2^74457152 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 74457152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95463360).

74457152 is an abundant number, since it is smaller than the sum of its proper divisors (116469568).

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

74457152 is a wasteful number, since it uses less digits than its factorization.

74457152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 570 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 74457152 is about 8628.8557758257. The cubic root of 74457152 is about 420.6964107661.

The spelling of 74457152 in words is "seventy-four million, four hundred fifty-seven thousand, one hundred fifty-two".