72010525 has 6 divisors (see below), whose sum is σ = 89293082. Its totient is φ = 57608400.

The previous prime is 72010507. The next prime is 72010537. The reversal of 72010525 is 52501027.

It can be written as a sum of positive squares in 3 ways, for example, as 22477081 + 49533444 = 4741^2 + 7038^2 .

It is not a de Polignac number, because 72010525 - 2¹¹ = 72008477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72010496 and 72010505.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1440186 + ... + 1440235.

Almost surely, 2^72010525 is an apocalyptic number.

It is an amenable number.

72010525 is a deficient number, since it is larger than the sum of its proper divisors (17282557).

72010525 is a wasteful number, since it uses less digits than its factorization.

72010525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880431 (or 2880426 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 72010525 is about 8485.9015431479. The cubic root of 72010525 is about 416.0370348100.

The spelling of 72010525 in words is "seventy-two million, ten thousand, five hundred twenty-five".