764340 has 24 divisors (see below), whose sum is σ = 2140320. Its totient is φ = 203808.

The previous prime is 764339. The next prime is 764341. The reversal of 764340 is 43467.

It is an interprime number because it is at equal distance from previous prime (764339) and next prime (764341).

It is a self number, because there is not a number n which added to its sum of digits gives 764340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764341) 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 7 ways as a sum of consecutive naturals, for example, 6310 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (89180).

2⁷⁶⁴³⁴⁰ is an apocalyptic number.

It is an amenable number.

764340 is an abundant number, since it is smaller than the sum of its proper divisors (1375980).

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

764340 is a wasteful number, since it uses less digits than its factorization.

764340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751 (or 12749 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 764340 is about 874.2654059266. The cubic root of 764340 is about 91.4314335972.

The spelling of 764340 in words is "seven hundred sixty-four thousand, three hundred forty".