8072639712 has 48 divisors (see below), whose sum is σ = 23545201680. Its totient is φ = 2690879616.

The previous prime is 8072639681. The next prime is 8072639719. The reversal of 8072639712 is 2179362708.

8072639712 is a `hidden beast` number, since 8 + 0 + 7 + 2 + 639 + 7 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072639719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4670803 + ... + 4672530.

It is an arithmetic number, because the mean of its divisors is an integer number (490525035).

Almost surely, 2^8072639712 is an apocalyptic number.

It is an amenable number.

8072639712 is an abundant number, since it is smaller than the sum of its proper divisors (15472561968).

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

8072639712 is a wasteful number, since it uses less digits than its factorization.

8072639712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343352 (or 9343338 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 8072639712 is about 89847.8698244983. The cubic root of 8072639712 is about 2006.0350799209.

The spelling of 8072639712 in words is "eight billion, seventy-two million, six hundred thirty-nine thousand, seven hundred twelve".