68764870 has 24 divisors (see below), whose sum is σ = 127237824. Its totient is φ = 26757216.

The previous prime is 68764867. The next prime is 68764879. The reversal of 68764870 is 7846786.

It is a super-2 number, since 2×68764870² = 9457214692233800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68764870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68764879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11179 + ... + 16201.

It is an arithmetic number, because the mean of its divisors is an integer number (5301576).

Almost surely, 2^68764870 is an apocalyptic number.

68764870 is a deficient number, since it is larger than the sum of its proper divisors (58472954).

68764870 is a wasteful number, since it uses less digits than its factorization.

68764870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 68764870 is about 8292.4586221458. The cubic root of 68764870 is about 409.6901684616.

The spelling of 68764870 in words is "sixty-eight million, seven hundred sixty-four thousand, eight hundred seventy".