30756070664 has 16 divisors (see below), whose sum is σ = 62910144720. Its totient is φ = 13980032080.

The previous prime is 30756070643. The next prime is 30756070699. The reversal of 30756070664 is 46607065703.

It is a super-2 number, since 2×30756070664² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 174750314 + ... + 174750489.

It is an arithmetic number, because the mean of its divisors is an integer number (3931884045).

Almost surely, 2^30756070664 is an apocalyptic number.

It is an amenable number.

30756070664 is an abundant number, since it is smaller than the sum of its proper divisors (32154074056).

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

30756070664 is a wasteful number, since it uses less digits than its factorization.

30756070664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349500820 (or 349500816 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 30756070664 in words is "thirty billion, seven hundred fifty-six million, seventy thousand, six hundred sixty-four".