76687670 has 16 divisors (see below), whose sum is σ = 139786560. Its totient is φ = 30286464.

The previous prime is 76687657. The next prime is 76687673. The reversal of 76687670 is 7678667.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76687673) 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 7 ways as a sum of consecutive naturals, for example, 47747 + ... + 49326.

It is an arithmetic number, because the mean of its divisors is an integer number (8736660).

Almost surely, 2^76687670 is an apocalyptic number.

76687670 is a deficient number, since it is larger than the sum of its proper divisors (63098890).

76687670 is a wasteful number, since it uses less digits than its factorization.

76687670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97159.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 76687670 is about 8757.1496504285. The cubic root of 76687670 is about 424.8560896840.

The spelling of 76687670 in words is "seventy-six million, six hundred eighty-seven thousand, six hundred seventy".