76393313 has 4 divisors (see below), whose sum is σ = 76422420. Its totient is φ = 76364208.

The previous prime is 76393301. The next prime is 76393321. The reversal of 76393313 is 31339367.

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 2 ways, for example, as 72199009 + 4194304 = 8497^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 76393313 - 2⁴ = 76393297 is a prime.

It is a super-2 number, since 2×76393313² = 11671876542231938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76393363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10178 + ... + 16011.

It is an arithmetic number, because the mean of its divisors is an integer number (19105605).

Almost surely, 2^76393313 is an apocalyptic number.

It is an amenable number.

76393313 is a deficient number, since it is larger than the sum of its proper divisors (29107).

76393313 is a wasteful number, since it uses less digits than its factorization.

76393313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29106.

The product of its digits is 30618, while the sum is 35.

The square root of 76393313 is about 8740.3268245530. The cubic root of 76393313 is about 424.3118052514.

The spelling of 76393313 in words is "seventy-six million, three hundred ninety-three thousand, three hundred thirteen".