76664337 has 4 divisors (see below), whose sum is σ = 102219120. Its totient is φ = 51109556.

The previous prime is 76664321. The next prime is 76664351. The reversal of 76664337 is 73346667.

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 not a de Polignac number, because 76664337 - 2⁴ = 76664321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76664317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12777387 + ... + 12777392.

It is an arithmetic number, because the mean of its divisors is an integer number (25554780).

Almost surely, 2^76664337 is an apocalyptic number.

It is an amenable number.

76664337 is a deficient number, since it is larger than the sum of its proper divisors (25554783).

76664337 is a wasteful number, since it uses less digits than its factorization.

76664337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25554782.

The product of its digits is 381024, while the sum is 42.

The square root of 76664337 is about 8755.8173233571. The cubic root of 76664337 is about 424.8129963909.

The spelling of 76664337 in words is "seventy-six million, six hundred sixty-four thousand, three hundred thirty-seven".