72630125 has 8 divisors (see below), whose sum is σ = 90642552. Its totient is φ = 58104000.

The previous prime is 72630119. The next prime is 72630133. The reversal of 72630125 is 52103627.

It can be written as a sum of positive squares in 4 ways, for example, as 15264649 + 57365476 = 3907^2 + 7574^2 .

It is not a de Polignac number, because 72630125 - 2¹⁶ = 72564589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72630094 and 72630103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290396 + ... + 290645.

It is an arithmetic number, because the mean of its divisors is an integer number (11330319).

Almost surely, 2^72630125 is an apocalyptic number.

It is an amenable number.

72630125 is a deficient number, since it is larger than the sum of its proper divisors (18012427).

72630125 is an equidigital number, since it uses as much as digits as its factorization.

72630125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581056 (or 581046 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 72630125 is about 8522.3309604826. The cubic root of 72630125 is about 417.2268642690.

The spelling of 72630125 in words is "seventy-two million, six hundred thirty thousand, one hundred twenty-five".