76393 has 4 divisors (see below), whose sum is σ = 77440. Its totient is φ = 75348.

The previous prime is 76387. The next prime is 76403. The reversal of 76393 is 39367.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76393 is a prime.

It is a Duffinian number.

76393 is a lucky 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 in 3 ways as a sum of consecutive naturals, for example, 405 + ... + 562.

It is an arithmetic number, because the mean of its divisors is an integer number (19360).

2⁷⁶³⁹³ is an apocalyptic number.

It is an amenable number.

76393 is a deficient number, since it is larger than the sum of its proper divisors (1047).

76393 is an equidigital number, since it uses as much as digits as its factorization.

76393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 3402, while the sum is 28.

The square root of 76393 is about 276.3928363761. The cubic root of 76393 is about 42.4311225751.

It can be divided in two parts, 7 and 6393, that added together give a square (6400 = 80²).

The spelling of 76393 in words is "seventy-six thousand, three hundred ninety-three".