74630720 has 28 divisors (see below), whose sum is σ = 177715164. Its totient is φ = 29852160.

The previous prime is 74630719. The next prime is 74630723. The reversal of 74630720 is 2703647.

It can be written as a sum of positive squares in 2 ways, for example, as 43983424 + 30647296 = 6632^2 + 5536^2 .

It is not an unprimeable number, because it can be changed into a prime (74630723) 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, 116291 + ... + 116930.

Almost surely, 2^74630720 is an apocalyptic number.

It is an amenable number.

74630720 is an abundant number, since it is smaller than the sum of its proper divisors (103084444).

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

74630720 is a wasteful number, since it uses less digits than its factorization.

74630720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233238 (or 233228 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 74630720 is about 8638.9073383154. The cubic root of 74630720 is about 421.0230539749.

The spelling of 74630720 in words is "seventy-four million, six hundred thirty thousand, seven hundred twenty".