30812702070 has 16 divisors (see below), whose sum is σ = 73950485040. Its totient is φ = 8216720544.

The previous prime is 30812702029. The next prime is 30812702083. The reversal of 30812702070 is 7020721803.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1027090069 = 30812702070 / (3 + 0 + 8 + 1 + 2 + 7 + 0 + 2 + 0 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513545005 + ... + 513545064.

It is an arithmetic number, because the mean of its divisors is an integer number (4621905315).

Almost surely, 2^30812702070 is an apocalyptic number.

30812702070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30812702070 is an abundant number, since it is smaller than the sum of its proper divisors (43137782970).

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

30812702070 is a wasteful number, since it uses less digits than its factorization.

30812702070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027090079.

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 30812702070 in words is "thirty billion, eight hundred twelve million, seven hundred two thousand, seventy".