76664607 has 8 divisors (see below), whose sum is σ = 102384000. Its totient is φ = 51027480.

The previous prime is 76664597. The next prime is 76664633. The reversal of 76664607 is 70646667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76664607 - 2⁷ = 76664479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76664647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18357 + ... + 22142.

It is an arithmetic number, because the mean of its divisors is an integer number (12798000).

Almost surely, 2^76664607 is an apocalyptic number.

76664607 is a deficient number, since it is larger than the sum of its proper divisors (25719393).

76664607 is a wasteful number, since it uses less digits than its factorization.

76664607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41133.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 76664607 is about 8755.8327416643. The cubic root of 76664607 is about 424.8134950990.

The spelling of 76664607 in words is "seventy-six million, six hundred sixty-four thousand, six hundred seven".