768734439 has 8 divisors (see below), whose sum is σ = 1118159232. Its totient is φ = 465899640.

The previous prime is 768734411. The next prime is 768734467. The reversal of 768734439 is 934437867.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (768734411) and next prime (768734467).

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

It is not a de Polignac number, because 768734439 - 2¹⁵ = 768701671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768734391 and 768734400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768734479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11647459 + ... + 11647524.

It is an arithmetic number, because the mean of its divisors is an integer number (139769904).

Almost surely, 2^768734439 is an apocalyptic number.

768734439 is a deficient number, since it is larger than the sum of its proper divisors (349424793).

768734439 is a wasteful number, since it uses less digits than its factorization.

768734439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23294997.

The product of its digits is 3048192, while the sum is 51.

The square root of 768734439 is about 27726.0606469798. The cubic root of 768734439 is about 916.0632186716.

The spelling of 768734439 in words is "seven hundred sixty-eight million, seven hundred thirty-four thousand, four hundred thirty-nine".