74725 has 18 divisors (see below), whose sum is σ = 109554. Its totient is φ = 50400.

The previous prime is 74719. The next prime is 74729. The reversal of 74725 is 52747.

It can be written as a sum of positive squares in 3 ways, for example, as 196 + 74529 = 14^2 + 273^2 .

It is not a de Polignac number, because 74725 - 2³ = 74717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 74725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74729) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1195 + ... + 1255.

2⁷⁴⁷²⁵ is an apocalyptic number.

It is an amenable number.

74725 is a deficient number, since it is larger than the sum of its proper divisors (34829).

74725 is a wasteful number, since it uses less digits than its factorization.

74725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 73 counting only the distinct ones).

The product of its digits is 1960, while the sum is 25.

The square root of 74725 is about 273.3587386567. The cubic root of 74725 is about 42.1200270320.

The spelling of 74725 in words is "seventy-four thousand, seven hundred twenty-five".