30473637172 has 12 divisors (see below), whose sum is σ = 58176943776. Its totient is φ = 13851653240.

The previous prime is 30473637169. The next prime is 30473637193. The reversal of 30473637172 is 27173637403.

It is a congruent number.

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, 346291288 + ... + 346291375.

It is an arithmetic number, because the mean of its divisors is an integer number (4848078648).

Almost surely, 2^30473637172 is an apocalyptic number.

It is an amenable number.

30473637172 is a deficient number, since it is larger than the sum of its proper divisors (27703306604).

30473637172 is a wasteful number, since it uses less digits than its factorization.

30473637172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692582678 (or 692582676 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 43.

The spelling of 30473637172 in words is "thirty billion, four hundred seventy-three million, six hundred thirty-seven thousand, one hundred seventy-two".