768470064 has 40 divisors (see below), whose sum is σ = 1987930800. Its totient is φ = 255806208.

The previous prime is 768470047. The next prime is 768470081. The reversal of 768470064 is 460074867.

It is an interprime number because it is at equal distance from previous prime (768470047) and next prime (768470081).

It is a junction number, because it is equal to n+sod(n) for n = 768469998 and 768470025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25762 + ... + 46910.

It is an arithmetic number, because the mean of its divisors is an integer number (49698270).

Almost surely, 2^768470064 is an apocalyptic number.

It is an amenable number.

768470064 is an abundant number, since it is smaller than the sum of its proper divisors (1219460736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768470064 is a wasteful number, since it uses less digits than its factorization.

768470064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21917 (or 21911 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 768470064 is about 27721.2926105548. The cubic root of 768470064 is about 915.9581923801.

The spelling of 768470064 in words is "seven hundred sixty-eight million, four hundred seventy thousand, sixty-four".