764485 has 4 divisors (see below), whose sum is σ = 917388. Its totient is φ = 611584.

The previous prime is 764471. The next prime is 764501. The reversal of 764485 is 584467.

764485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584467 = 13 ⋅44959.

It can be written as a sum of positive squares in 2 ways, for example, as 605284 + 159201 = 778^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 764485 - 2¹³ = 756293 is a prime.

It is a Duffinian number.

764485 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 764485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76444 + ... + 76453.

It is an arithmetic number, because the mean of its divisors is an integer number (229347).

2⁷⁶⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

764485 is a deficient number, since it is larger than the sum of its proper divisors (152903).

764485 is a wasteful number, since it uses less digits than its factorization.

764485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152902.

The product of its digits is 26880, while the sum is 34.

The square root of 764485 is about 874.3483287569. The cubic root of 764485 is about 91.4372149334.

The spelling of 764485 in words is "seven hundred sixty-four thousand, four hundred eighty-five".