30696792025 has 27 divisors (see below), whose sum is σ = 38714645151. Its totient is φ = 24144650640.

The previous prime is 30696792023. The next prime is 30696792029. The reversal of 30696792025 is 52029769603.

The square root of 30696792025 is 175205.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11050845129 + 19645946896 = 105123^2 + 140164^2 .

It is not a de Polignac number, because 30696792025 - 2¹ = 30696792023 is a prime.

It is a super-2 number, since 2×30696792025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30696792025.

It is not an unprimeable number, because it can be changed into a prime (30696792023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58693414 + ... + 58693936.

Almost surely, 2^30696792025 is an apocalyptic number.

30696792025 is the 175205-th square number.

30696792025 is the 87603-rd centered octagonal number.

It is an amenable number.

30696792025 is a deficient number, since it is larger than the sum of its proper divisors (8017853126).

30696792025 is an frugal number, since it uses more digits than its factorization.

30696792025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

Multiplying 30696792025 by its sum of digits (49), we get a square (1504142809225 = 1226435²).

The spelling of 30696792025 in words is "thirty billion, six hundred ninety-six million, seven hundred ninety-two thousand, twenty-five".