76845365 has 4 divisors (see below), whose sum is σ = 92214444. Its totient is φ = 61476288.

The previous prime is 76845361. The next prime is 76845383. The reversal of 76845365 is 56354867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56354867 = 107 ⋅526681.

It can be written as a sum of positive squares in 2 ways, for example, as 11930116 + 64915249 = 3454^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 76845365 - 2² = 76845361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76845361) 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 3 ways as a sum of consecutive naturals, for example, 7684532 + ... + 7684541.

It is an arithmetic number, because the mean of its divisors is an integer number (23053611).

Almost surely, 2^76845365 is an apocalyptic number.

It is an amenable number.

76845365 is a deficient number, since it is larger than the sum of its proper divisors (15369079).

76845365 is a wasteful number, since it uses less digits than its factorization.

76845365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15369078.

The product of its digits is 604800, while the sum is 44.

The square root of 76845365 is about 8766.1488123349. The cubic root of 76845365 is about 425.1471047862.

The spelling of 76845365 in words is "seventy-six million, eight hundred forty-five thousand, three hundred sixty-five".