768738 has 16 divisors (see below), whose sum is σ = 1587456. Its totient is φ = 247920.

The previous prime is 768727. The next prime is 768751. The reversal of 768738 is 837867.

It is a super-2 number, since 2×768738² = 1181916225288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 768696 and 768705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 2252.

It is an arithmetic number, because the mean of its divisors is an integer number (99216).

2⁷⁶⁸⁷³⁸ is an apocalyptic number.

768738 is an abundant number, since it is smaller than the sum of its proper divisors (818718).

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

768738 is a wasteful number, since it uses less digits than its factorization.

768738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169.

The product of its digits is 56448, while the sum is 39.

The square root of 768738 is about 876.7770526194. Note that the first 3 decimals coincide. The cubic root of 768738 is about 91.6064633159.

The spelling of 768738 in words is "seven hundred sixty-eight thousand, seven hundred thirty-eight".