76880736 has 36 divisors (see below), whose sum is σ = 218630412. Its totient is φ = 25626816.

The previous prime is 76880731. The next prime is 76880737. The reversal of 76880736 is 63708867.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 76880691 and 76880700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76880731) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 133186 + ... + 133761.

It is an arithmetic number, because the mean of its divisors is an integer number (6073067).

Almost surely, 2^76880736 is an apocalyptic number.

It is an amenable number.

76880736 is an abundant number, since it is smaller than the sum of its proper divisors (141749676).

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

76880736 is a wasteful number, since it uses less digits than its factorization.

76880736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266963 (or 266952 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 76880736 is about 8768.1660568217. The cubic root of 76880736 is about 425.2123248186.

The spelling of 76880736 in words is "seventy-six million, eight hundred eighty thousand, seven hundred thirty-six".