767628 has 18 divisors (see below), whose sum is σ = 1940484. Its totient is φ = 255864.

The previous prime is 767623. The next prime is 767633. The reversal of 767628 is 826767.

It is an interprime number because it is at equal distance from previous prime (767623) and next prime (767633).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 21323 = 767628 / (7 + 6 + 7 + 6 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 767592 and 767601.

It is not an unprimeable number, because it can be changed into a prime (767623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10626 + ... + 10697.

2⁷⁶⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

767628 is an abundant number, since it is smaller than the sum of its proper divisors (1172856).

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

767628 is a wasteful number, since it uses less digits than its factorization.

767628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21333 (or 21328 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 767628 is about 876.1438238098. The cubic root of 767628 is about 91.5623511240.

The spelling of 767628 in words is "seven hundred sixty-seven thousand, six hundred twenty-eight".