76345 has 4 divisors (see below), whose sum is σ = 91620. Its totient is φ = 61072.

The previous prime is 76343. The next prime is 76367. The reversal of 76345 is 54367.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30976 + 45369 = 176^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 76345 - 2¹ = 76343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (76343) 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, 7630 + ... + 7639.

It is an arithmetic number, because the mean of its divisors is an integer number (22905).

2⁷⁶³⁴⁵ is an apocalyptic number.

It is an amenable number.

76345 is a deficient number, since it is larger than the sum of its proper divisors (15275).

76345 is a wasteful number, since it uses less digits than its factorization.

76345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274.

The product of its digits is 2520, while the sum is 25.

The square root of 76345 is about 276.3059898012. The cubic root of 76345 is about 42.4222338000.

It can be divided in two parts, 763 and 45, that added together give a palindrome (808).

The spelling of 76345 in words is "seventy-six thousand, three hundred forty-five".