76729442 has 8 divisors (see below), whose sum is σ = 115856832. Its totient is φ = 38110500.

The previous prime is 76729423. The next prime is 76729469. The reversal of 76729442 is 24492767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 76729442.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 126734 + ... + 127337.

It is an arithmetic number, because the mean of its divisors is an integer number (14482104).

Almost surely, 2^76729442 is an apocalyptic number.

76729442 is a deficient number, since it is larger than the sum of its proper divisors (39127390).

76729442 is a wasteful number, since it uses less digits than its factorization.

76729442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254224.

The product of its digits is 169344, while the sum is 41.

The square root of 76729442 is about 8759.5343483544. The cubic root of 76729442 is about 424.9332158037.

The spelling of 76729442 in words is "seventy-six million, seven hundred twenty-nine thousand, four hundred forty-two".