30042546725 has 12 divisors (see below), whose sum is σ = 37338805476. Its totient is φ = 23978522880.

The previous prime is 30042546707. The next prime is 30042546739. The reversal of 30042546725 is 52764524003.

It can be written as a sum of positive squares in 6 ways, for example, as 1046587201 + 28995959524 = 32351^2 + 170282^2 .

It is not a de Polignac number, because 30042546725 - 2⁶ = 30042546661 is a prime.

It is a super-2 number, since 2×30042546725² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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, 1376822 + ... + 1398471.

It is an arithmetic number, because the mean of its divisors is an integer number (3111567123).

Almost surely, 2^30042546725 is an apocalyptic number.

It is an amenable number.

30042546725 is a deficient number, since it is larger than the sum of its proper divisors (7296258751).

30042546725 is a wasteful number, since it uses less digits than its factorization.

30042546725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775736 (or 2775731 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 30042546725 in words is "thirty billion, forty-two million, five hundred forty-six thousand, seven hundred twenty-five".