68604686 has 4 divisors (see below), whose sum is σ = 102907032. Its totient is φ = 34302342.

The previous prime is 68604667. The next prime is 68604689. The reversal of 68604686 is 68640686.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68604689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17151170 + ... + 17151173.

It is an arithmetic number, because the mean of its divisors is an integer number (25726758).

Almost surely, 2^68604686 is an apocalyptic number.

68604686 is a deficient number, since it is larger than the sum of its proper divisors (34302346).

68604686 is a wasteful number, since it uses less digits than its factorization.

68604686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34302345.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 68604686 is about 8282.7945767114. The cubic root of 68604686 is about 409.3718041900.

The spelling of 68604686 in words is "sixty-eight million, six hundred four thousand, six hundred eighty-six".