30670811472 has 120 divisors (see below), whose sum is σ = 92566146816. Its totient is φ = 8725323264.

The previous prime is 30670811471. The next prime is 30670811497. The reversal of 30670811472 is 27411807603.

It is a self number, because there is not a number n which added to its sum of digits gives 30670811472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30670811471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520033 + ... + 575999.

Almost surely, 2^30670811472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30670811472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46283073408).

30670811472 is an abundant number, since it is smaller than the sum of its proper divisors (61895335344).

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

30670811472 is a wasteful number, since it uses less digits than its factorization.

30670811472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56225 (or 56212 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 30670811472 in words is "thirty billion, six hundred seventy million, eight hundred eleven thousand, four hundred seventy-two".