77340325 has 6 divisors (see below), whose sum is σ = 95902034. Its totient is φ = 61872240.

The previous prime is 77340287. The next prime is 77340353. The reversal of 77340325 is 52304377.

It can be written as a sum of positive squares in 3 ways, for example, as 18096516 + 59243809 = 4254^2 + 7697^2 .

It is not a de Polignac number, because 77340325 - 2²⁵ = 43785893 is a prime.

It is a super-2 number, since 2×77340325² = 11963051742211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1546782 + ... + 1546831.

Almost surely, 2^77340325 is an apocalyptic number.

It is an amenable number.

77340325 is a deficient number, since it is larger than the sum of its proper divisors (18561709).

77340325 is a wasteful number, since it uses less digits than its factorization.

77340325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093623 (or 3093618 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 77340325 is about 8794.3348241922. The cubic root of 77340325 is about 426.0579410121.

The spelling of 77340325 in words is "seventy-seven million, three hundred forty thousand, three hundred twenty-five".