30007172725 has 12 divisors (see below), whose sum is σ = 37218750660. Its totient is φ = 23999379200.

The previous prime is 30007172711. The next prime is 30007172731. The reversal of 30007172725 is 52727170003.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5443193284 + 24563979441 = 73778^2 + 156729^2 .

It is not a de Polignac number, because 30007172725 - 2⁵ = 30007172693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61540 + ... + 252589.

It is an arithmetic number, because the mean of its divisors is an integer number (3101562555).

Almost surely, 2^30007172725 is an apocalyptic number.

It is an amenable number.

30007172725 is a deficient number, since it is larger than the sum of its proper divisors (7211577935).

30007172725 is a wasteful number, since it uses less digits than its factorization.

30007172725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317960 (or 317955 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The spelling of 30007172725 in words is "thirty billion, seven million, one hundred seventy-two thousand, seven hundred twenty-five".