72525045 has 8 divisors (see below), whose sum is σ = 116040096. Its totient is φ = 38680016.

The previous prime is 72525029. The next prime is 72525059. The reversal of 72525045 is 54052527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72525045 - 2⁴ = 72525029 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2417487 + ... + 2417516.

It is an arithmetic number, because the mean of its divisors is an integer number (14505012).

Almost surely, 2^72525045 is an apocalyptic number.

It is an amenable number.

72525045 is a deficient number, since it is larger than the sum of its proper divisors (43515051).

72525045 is a wasteful number, since it uses less digits than its factorization.

72525045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835011.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 72525045 is about 8516.1637490128. The cubic root of 72525045 is about 417.0255549671.

The spelling of 72525045 in words is "seventy-two million, five hundred twenty-five thousand, forty-five".