76529640 has 64 divisors (see below), whose sum is σ = 250464960. Its totient is φ = 18552320.

The previous prime is 76529639. The next prime is 76529659. The reversal of 76529640 is 4692567.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27669 + ... + 30308.

It is an arithmetic number, because the mean of its divisors is an integer number (3913515).

Almost surely, 2^76529640 is an apocalyptic number.

It is an amenable number.

76529640 is an abundant number, since it is smaller than the sum of its proper divisors (173935320).

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

76529640 is a wasteful number, since it uses less digits than its factorization.

76529640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58002 (or 57998 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 76529640 is about 8748.1220841961. The cubic root of 76529640 is about 424.5640558663.

The spelling of 76529640 in words is "seventy-six million, five hundred twenty-nine thousand, six hundred forty".