76367321 has 4 divisors (see below), whose sum is σ = 77043252. Its totient is φ = 75691392.

The previous prime is 76367311. The next prime is 76367341. The reversal of 76367321 is 12376367.

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 11806096 + 64561225 = 3436^2 + 8035^2 .

It is a cyclic number.

It is not a de Polignac number, because 76367321 - 2⁶ = 76367257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76367311) 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, 337796 + ... + 338021.

It is an arithmetic number, because the mean of its divisors is an integer number (19260813).

Almost surely, 2^76367321 is an apocalyptic number.

It is an amenable number.

76367321 is a deficient number, since it is larger than the sum of its proper divisors (675931).

76367321 is a wasteful number, since it uses less digits than its factorization.

76367321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675930.

The product of its digits is 31752, while the sum is 35.

The square root of 76367321 is about 8738.8397971355. The cubic root of 76367321 is about 424.2636772891.

The spelling of 76367321 in words is "seventy-six million, three hundred sixty-seven thousand, three hundred twenty-one".