30733568472 has 32 divisors (see below), whose sum is σ = 76842132480. Its totient is φ = 10243428000.

The previous prime is 30733568447. The next prime is 30733568479. The reversal of 30733568472 is 27486533703.

It is a super-2 number, since 2×30733568472² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30733568479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179097 + ... + 305847.

It is an arithmetic number, because the mean of its divisors is an integer number (2401316640).

Almost surely, 2^30733568472 is an apocalyptic number.

It is an amenable number.

30733568472 is an abundant number, since it is smaller than the sum of its proper divisors (46108564008).

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

30733568472 is a wasteful number, since it uses less digits than its factorization.

30733568472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136863 (or 136859 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 30733568472 in words is "thirty billion, seven hundred thirty-three million, five hundred sixty-eight thousand, four hundred seventy-two".