30712334072 has 24 divisors (see below), whose sum is σ = 66987362160. Its totient is φ = 13162428720.

The previous prime is 30712334047. The next prime is 30712334101. The reversal of 30712334072 is 27043321703.

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 5 ways as a sum of consecutive naturals, for example, 39173504 + ... + 39174287.

It is an arithmetic number, because the mean of its divisors is an integer number (2791140090).

Almost surely, 2^30712334072 is an apocalyptic number.

It is an amenable number.

30712334072 is an abundant number, since it is smaller than the sum of its proper divisors (36275028088).

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

30712334072 is a wasteful number, since it uses less digits than its factorization.

30712334072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78347811 (or 78347800 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

Adding to 30712334072 its reverse (27043321703), we get a palindrome (57755655775).

The spelling of 30712334072 in words is "thirty billion, seven hundred twelve million, three hundred thirty-four thousand, seventy-two".