76699407 has 4 divisors (see below), whose sum is σ = 102265880. Its totient is φ = 51132936.

The previous prime is 76699391. The next prime is 76699433. The reversal of 76699407 is 70499667.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 76699407 - 2⁴ = 76699391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76699607) 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, 12783232 + ... + 12783237.

It is an arithmetic number, because the mean of its divisors is an integer number (25566470).

Almost surely, 2^76699407 is an apocalyptic number.

76699407 is a deficient number, since it is larger than the sum of its proper divisors (25566473).

76699407 is a wasteful number, since it uses less digits than its factorization.

76699407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25566472.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 76699407 is about 8757.8197629319. The cubic root of 76699407 is about 424.8777632314.

The spelling of 76699407 in words is "seventy-six million, six hundred ninety-nine thousand, four hundred seven".