8076573720 has 128 divisors (see below), whose sum is σ = 27378432000. Its totient is φ = 2117232000.

The previous prime is 8076573697. The next prime is 8076573737. The reversal of 8076573720 is 273756708.

8076573720 is a `hidden beast` number, since 8 + 0 + 7 + 6 + 573 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345 + ... + 127095.

It is an arithmetic number, because the mean of its divisors is an integer number (213894000).

Almost surely, 2^8076573720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8076573720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13689216000).

8076573720 is an abundant number, since it is smaller than the sum of its proper divisors (19301858280).

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

8076573720 is a wasteful number, since it uses less digits than its factorization.

8076573720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126830 (or 126820 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 8076573720 is about 89869.7597637826. The cubic root of 8076573720 is about 2006.3608914162.

The spelling of 8076573720 in words is "eight billion, seventy-six million, five hundred seventy-three thousand, seven hundred twenty".