76526780 has 24 divisors (see below), whose sum is σ = 175316400. Its totient is φ = 27827840.

The previous prime is 76526777. The next prime is 76526789. The reversal of 76526780 is 8762567.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76526789) 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, 173705 + ... + 174144.

It is an arithmetic number, because the mean of its divisors is an integer number (7304850).

Almost surely, 2^76526780 is an apocalyptic number.

It is an amenable number.

76526780 is an abundant number, since it is smaller than the sum of its proper divisors (98789620).

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

76526780 is a wasteful number, since it uses less digits than its factorization.

76526780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347869 (or 347867 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 76526780 is about 8747.9586190151. The cubic root of 76526780 is about 424.5587669860.

The spelling of 76526780 in words is "seventy-six million, five hundred twenty-six thousand, seven hundred eighty".