76661752 has 16 divisors (see below), whose sum is σ = 145357200. Its totient is φ = 37899840.

The previous prime is 76661731. The next prime is 76661801. The reversal of 76661752 is 25716667.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 53124 + ... + 54547.

It is an arithmetic number, because the mean of its divisors is an integer number (9084825).

Almost surely, 2^76661752 is an apocalyptic number.

It is an amenable number.

76661752 is a deficient number, since it is larger than the sum of its proper divisors (68695448).

76661752 is a wasteful number, since it uses less digits than its factorization.

76661752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107766 (or 107762 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 76661752 is about 8755.6697059677. The cubic root of 76661752 is about 424.8082216635.

The spelling of 76661752 in words is "seventy-six million, six hundred sixty-one thousand, seven hundred fifty-two".