766738 has 8 divisors (see below), whose sum is σ = 1314432. Its totient is φ = 328596.

The previous prime is 766721. The next prime is 766739. The reversal of 766738 is 837667.

766738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×766738³ = 1352266277333577816, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 766697 and 766706.

It is not an unprimeable number, because it can be changed into a prime (766739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27370 + ... + 27397.

It is an arithmetic number, because the mean of its divisors is an integer number (164304).

2⁷⁶⁶⁷³⁸ is an apocalyptic number.

766738 is a deficient number, since it is larger than the sum of its proper divisors (547694).

766738 is a wasteful number, since it uses less digits than its factorization.

766738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54776.

The product of its digits is 42336, while the sum is 37.

The square root of 766738 is about 875.6357690273. The cubic root of 766738 is about 91.5269511618.

The spelling of 766738 in words is "seven hundred sixty-six thousand, seven hundred thirty-eight".