76159720 has 160 divisors (see below), whose sum is σ = 218814120. Its totient is φ = 23708160.

The previous prime is 76159697. The next prime is 76159747. The reversal of 76159720 is 2795167.

It can be written as a sum of positive squares in 4 ways, for example, as 24980004 + 51179716 = 4998^2 + 7154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76159720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1248490 + ... + 1248550.

Almost surely, 2^76159720 is an apocalyptic number.

76159720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76159720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109407060).

76159720 is an abundant number, since it is smaller than the sum of its proper divisors (142654400).

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

76159720 is a wasteful number, since it uses less digits than its factorization.

76159720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 76159720 is about 8726.9536494701. The cubic root of 76159720 is about 423.8788813892.

The spelling of 76159720 in words is "seventy-six million, one hundred fifty-nine thousand, seven hundred twenty".