30472704733872 has 20 divisors (see below), whose sum is σ = 78721153895960. Its totient is φ = 10157568244608.

The previous prime is 30472704733847. The next prime is 30472704733903. The reversal of 30472704733872 is 27833740727403.

It is a super-2 number, since 2×30472704733872² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317424007597 + ... + 317424007692.

It is an arithmetic number, because the mean of its divisors is an integer number (3936057694798).

Almost surely, 2^{30472704733872} is an apocalyptic number.

It is an amenable number.

30472704733872 is an abundant number, since it is smaller than the sum of its proper divisors (48248449162088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30472704733872 is a wasteful number, since it uses less digits than its factorization.

30472704733872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634848015300 (or 634848015294 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 57.

The spelling of 30472704733872 in words is "thirty trillion, four hundred seventy-two billion, seven hundred four million, seven hundred thirty-three thousand, eight hundred seventy-two".