68224694 has 4 divisors (see below), whose sum is σ = 102337044. Its totient is φ = 34112346.

The previous prime is 68224679. The next prime is 68224729. The reversal of 68224694 is 49642286.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17056172 + ... + 17056175.

It is an arithmetic number, because the mean of its divisors is an integer number (25584261).

Almost surely, 2^68224694 is an apocalyptic number.

68224694 is a deficient number, since it is larger than the sum of its proper divisors (34112350).

68224694 is a wasteful number, since it uses less digits than its factorization.

68224694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34112349.

The product of its digits is 165888, while the sum is 41.

The square root of 68224694 is about 8259.8240901365. The cubic root of 68224694 is about 408.6145862232.

The spelling of 68224694 in words is "sixty-eight million, two hundred twenty-four thousand, six hundred ninety-four".