76306 has 4 divisors (see below), whose sum is σ = 114462. Its totient is φ = 38152.

The previous prime is 76303. The next prime is 76333. The reversal of 76306 is 60367.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 58081 + 18225 = 241^2 + 135^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (76303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19075 + ... + 19078.

2⁷⁶³⁰⁶ is an apocalyptic number.

76306 is a deficient number, since it is larger than the sum of its proper divisors (38156).

76306 is a wasteful number, since it uses less digits than its factorization.

76306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38155.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 76306 is about 276.2354068544. The cubic root of 76306 is about 42.4150089264.

The spelling of 76306 in words is "seventy-six thousand, three hundred six".