76989424 has 10 divisors (see below), whose sum is σ = 149167040. Its totient is φ = 38494704.

The previous prime is 76989421. The next prime is 76989427. The reversal of 76989424 is 42498967.

It is an interprime number because it is at equal distance from previous prime (76989421) and next prime (76989427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76989421) by changing a digit.

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 as a sum of consecutive naturals, namely, 2405904 + ... + 2405935.

It is an arithmetic number, because the mean of its divisors is an integer number (14916704).

Almost surely, 2^76989424 is an apocalyptic number.

It is an amenable number.

76989424 is a deficient number, since it is larger than the sum of its proper divisors (72177616).

76989424 is a wasteful number, since it uses less digits than its factorization.

76989424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811847 (or 4811841 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 76989424 is about 8774.3617431697. The cubic root of 76989424 is about 425.4126078286.

The spelling of 76989424 in words is "seventy-six million, nine hundred eighty-nine thousand, four hundred twenty-four".