76947064 has 16 divisors (see below), whose sum is σ = 145315800. Its totient is φ = 38196192.

The previous prime is 76947019. The next prime is 76947067. The reversal of 76947064 is 46074967.

It is a self number, because there is not a number n which added to its sum of digits gives 76947064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76947067) 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, 33487 + ... + 35710.

Almost surely, 2^76947064 is an apocalyptic number.

It is an amenable number.

76947064 is a deficient number, since it is larger than the sum of its proper divisors (68368736).

76947064 is a wasteful number, since it uses less digits than its factorization.

76947064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69342 (or 69338 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 76947064 is about 8771.9475602628. The cubic root of 76947064 is about 425.3345720710.

The spelling of 76947064 in words is "seventy-six million, nine hundred forty-seven thousand, sixty-four".