73725 has 12 divisors (see below), whose sum is σ = 122016. Its totient is φ = 39280.

The previous prime is 73721. The next prime is 73727. The reversal of 73725 is 52737.

It is not a de Polignac number, because 73725 - 2² = 73721 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73695 and 73704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (10168).

2⁷³⁷²⁵ is an apocalyptic number.

73725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73725 is a deficient number, since it is larger than the sum of its proper divisors (48291).

73725 is a wasteful number, since it uses less digits than its factorization.

73725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 991 counting only the distinct ones).

The product of its digits is 1470, while the sum is 24.

The square root of 73725 is about 271.5234796477. The cubic root of 73725 is about 41.9312935623.

It can be divided in two parts, 73 and 725, that multiplied together give a palindrome (52925).

The spelling of 73725 in words is "seventy-three thousand, seven hundred twenty-five".