76704447 has 8 divisors (see below), whose sum is σ = 105571840. Its totient is φ = 49486680.

The previous prime is 76704443. The next prime is 76704451. The reversal of 76704447 is 74440767.

It is an interprime number because it is at equal distance from previous prime (76704443) and next prime (76704451).

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

It is not a de Polignac number, because 76704447 - 2² = 76704443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76704443) 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, 412297 + ... + 412482.

It is an arithmetic number, because the mean of its divisors is an integer number (13196480).

Almost surely, 2^76704447 is an apocalyptic number.

76704447 is a deficient number, since it is larger than the sum of its proper divisors (28867393).

76704447 is a wasteful number, since it uses less digits than its factorization.

76704447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824813.

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 76704447 is about 8758.1075010530. The cubic root of 76704447 is about 424.8870694182.

The spelling of 76704447 in words is "seventy-six million, seven hundred four thousand, four hundred forty-seven".