76690785 has 16 divisors (see below), whose sum is σ = 123237504. Its totient is φ = 40724352.

The previous prime is 76690781. The next prime is 76690837. The reversal of 76690785 is 58709667.

It is not a de Polignac number, because 76690785 - 2² = 76690781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76690781) 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 15 ways as a sum of consecutive naturals, for example, 7477 + ... + 14466.

It is an arithmetic number, because the mean of its divisors is an integer number (7702344).

Almost surely, 2^76690785 is an apocalyptic number.

It is an amenable number.

76690785 is a deficient number, since it is larger than the sum of its proper divisors (46546719).

76690785 is a wasteful number, since it uses less digits than its factorization.

76690785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 76690785 is about 8757.3275032969. The cubic root of 76690785 is about 424.8618420594.

The spelling of 76690785 in words is "seventy-six million, six hundred ninety thousand, seven hundred eighty-five".