72453025 has 6 divisors (see below), whose sum is σ = 89841782. Its totient is φ = 57962400.

The previous prime is 72453019. The next prime is 72453037. The reversal of 72453025 is 52035427.

It can be written as a sum of positive squares in 3 ways, for example, as 254016 + 72199009 = 504^2 + 8497^2 .

It is not a de Polignac number, because 72453025 - 2²³ = 64064417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72452984 and 72453002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449036 + ... + 1449085.

Almost surely, 2^72453025 is an apocalyptic number.

It is an amenable number.

72453025 is a deficient number, since it is larger than the sum of its proper divisors (17388757).

72453025 is a wasteful number, since it uses less digits than its factorization.

72453025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898131 (or 2898126 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 72453025 is about 8511.9342690131. The cubic root of 72453025 is about 416.8874687486.

The spelling of 72453025 in words is "seventy-two million, four hundred fifty-three thousand, twenty-five".