68735670 has 16 divisors (see below), whose sum is σ = 164965680. Its totient is φ = 18329504.

The previous prime is 68735659. The next prime is 68735701. The reversal of 68735670 is 7653786.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1145565 + ... + 1145624.

It is an arithmetic number, because the mean of its divisors is an integer number (10310355).

Almost surely, 2^68735670 is an apocalyptic number.

68735670 is an abundant number, since it is smaller than the sum of its proper divisors (96230010).

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

68735670 is a wasteful number, since it uses less digits than its factorization.

68735670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291199.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 68735670 is about 8290.6977993411. The cubic root of 68735670 is about 409.6321705982.

The spelling of 68735670 in words is "sixty-eight million, seven hundred thirty-five thousand, six hundred seventy".