76130780 has 72 divisors (see below), whose sum is σ = 177724176. Its totient is φ = 27371520.

The previous prime is 76130779. The next prime is 76130797. The reversal of 76130780 is 8703167.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394364 + ... + 394556.

Almost surely, 2^76130780 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 76130780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88862088).

76130780 is an abundant number, since it is smaller than the sum of its proper divisors (101593396).

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

76130780 is a wasteful number, since it uses less digits than its factorization.

76130780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 76130780 is about 8725.2954104718. The cubic root of 76130780 is about 423.8251845490.

The spelling of 76130780 in words is "seventy-six million, one hundred thirty thousand, seven hundred eighty".