74255725 has 6 divisors (see below), whose sum is σ = 92077130. Its totient is φ = 59404560.

The previous prime is 74255719. The next prime is 74255729. The reversal of 74255725 is 52755247.

It can be written as a sum of positive squares in 3 ways, for example, as 15319396 + 58936329 = 3914^2 + 7677^2 .

It is not a de Polignac number, because 74255725 - 2⁹ = 74255213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74255729) 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, 1485090 + ... + 1485139.

Almost surely, 2^74255725 is an apocalyptic number.

It is an amenable number.

74255725 is a deficient number, since it is larger than the sum of its proper divisors (17821405).

74255725 is a wasteful number, since it uses less digits than its factorization.

74255725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970239 (or 2970234 counting only the distinct ones).

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

The square root of 74255725 is about 8617.1761615973. The cubic root of 74255725 is about 420.3167017955.

The spelling of 74255725 in words is "seventy-four million, two hundred fifty-five thousand, seven hundred twenty-five".