74525725 has 6 divisors (see below), whose sum is σ = 92411930. Its totient is φ = 59620560.

The previous prime is 74525707. The next prime is 74525729. The reversal of 74525725 is 52752547.

It can be written as a sum of positive squares in 3 ways, for example, as 4318084 + 70207641 = 2078^2 + 8379^2 .

It is not a de Polignac number, because 74525725 - 2¹¹ = 74523677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74525729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1490490 + ... + 1490539.

Almost surely, 2^74525725 is an apocalyptic number.

It is an amenable number.

74525725 is a deficient number, since it is larger than the sum of its proper divisors (17886205).

74525725 is a wasteful number, since it uses less digits than its factorization.

74525725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981039 (or 2981034 counting only the distinct ones).

The product of its digits is 98000, while the sum is 37.

The square root of 74525725 is about 8632.8283314334. The cubic root of 74525725 is about 420.8255211002.

The spelling of 74525725 in words is "seventy-four million, five hundred twenty-five thousand, seven hundred twenty-five".