764625 has 16 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 407600.

The previous prime is 764623. The next prime is 764627. The reversal of 764625 is 526467.

It is an interprime number because it is at equal distance from previous prime (764623) and next prime (764627).

It is not a de Polignac number, because 764625 - 2¹ = 764623 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 764592 and 764601.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 764625.

It is not an unprimeable number, because it can be changed into a prime (764623) 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 15 ways as a sum of consecutive naturals, for example, 645 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (79560).

2⁷⁶⁴⁶²⁵ is an apocalyptic number.

764625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

764625 is a deficient number, since it is larger than the sum of its proper divisors (508335).

764625 is a wasteful number, since it uses less digits than its factorization.

764625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2047 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 764625 is about 874.4283847177. The cubic root of 764625 is about 91.4427962196.

It can be divided in two parts, 76462 and 5, that added together give a palindrome (76467).

The spelling of 764625 in words is "seven hundred sixty-four thousand, six hundred twenty-five".