74175725 has 12 divisors (see below), whose sum is σ = 99053556. Its totient is φ = 54775680.

The previous prime is 74175721. The next prime is 74175733. The reversal of 74175725 is 52757147.

It can be written as a sum of positive squares in 6 ways, for example, as 29833444 + 44342281 = 5462^2 + 6659^2 .

It is not a de Polignac number, because 74175725 - 2² = 74175721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74175721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113792 + ... + 114441.

It is an arithmetic number, because the mean of its divisors is an integer number (8254463).

Almost surely, 2^74175725 is an apocalyptic number.

It is an amenable number.

74175725 is a deficient number, since it is larger than the sum of its proper divisors (24877831).

74175725 is a wasteful number, since it uses less digits than its factorization.

74175725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228256 (or 228251 counting only the distinct ones).

The product of its digits is 68600, while the sum is 38.

The square root of 74175725 is about 8612.5330188046. The cubic root of 74175725 is about 420.1657037013.

The spelling of 74175725 in words is "seventy-four million, one hundred seventy-five thousand, seven hundred twenty-five".