68037694 has 4 divisors (see below), whose sum is σ = 102056544. Its totient is φ = 34018846.

The previous prime is 68037661. The next prime is 68037707. The reversal of 68037694 is 49673086.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68037694.

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, 17009422 + ... + 17009425.

It is an arithmetic number, because the mean of its divisors is an integer number (25514136).

Almost surely, 2^68037694 is an apocalyptic number.

68037694 is a deficient number, since it is larger than the sum of its proper divisors (34018850).

68037694 is a wasteful number, since it uses less digits than its factorization.

68037694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34018849.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 68037694 is about 8248.4964690542. The cubic root of 68037694 is about 408.2409148427.

The spelling of 68037694 in words is "sixty-eight million, thirty-seven thousand, six hundred ninety-four".