76806361 has 4 divisors (see below), whose sum is σ = 80145792. Its totient is φ = 73466932.

The previous prime is 76806347. The next prime is 76806383. The reversal of 76806361 is 16360867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16360867 = 1607 ⋅10181.

It is a cyclic number.

It is not a de Polignac number, because 76806361 - 2¹¹ = 76804313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76806361.

It is not an unprimeable number, because it can be changed into a prime (76806061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669681 + ... + 1669726.

It is an arithmetic number, because the mean of its divisors is an integer number (20036448).

Almost surely, 2^76806361 is an apocalyptic number.

It is an amenable number.

76806361 is a deficient number, since it is larger than the sum of its proper divisors (3339431).

76806361 is a wasteful number, since it uses less digits than its factorization.

76806361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339430.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 76806361 is about 8763.9238358169. The cubic root of 76806361 is about 425.0751627157.

It can be divided in two parts, 7680 and 6361, that added together give a palindrome (14041).

The spelling of 76806361 in words is "seventy-six million, eight hundred six thousand, three hundred sixty-one".