768317392 has 40 divisors (see below), whose sum is σ = 1603468800. Its totient is φ = 355597440.

The previous prime is 768317353. The next prime is 768317447. The reversal of 768317392 is 293713867.

It is a happy number.

It is a super-2 number, since 2×768317392² = 1180623229699363328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22267 + ... + 45082.

It is an arithmetic number, because the mean of its divisors is an integer number (40086720).

Almost surely, 2^768317392 is an apocalyptic number.

It is an amenable number.

768317392 is an abundant number, since it is smaller than the sum of its proper divisors (835151408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768317392 is a wasteful number, since it uses less digits than its factorization.

768317392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67411 (or 67405 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 768317392 is about 27718.5387782257. The cubic root of 768317392 is about 915.8975305371.

The spelling of 768317392 in words is "seven hundred sixty-eight million, three hundred seventeen thousand, three hundred ninety-two".