68740738 has 8 divisors (see below), whose sum is σ = 112484880. Its totient is φ = 31245780.

The previous prime is 68740729. The next prime is 68740751. The reversal of 68740738 is 83704786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 68740694 and 68740703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562268 + ... + 1562311.

It is an arithmetic number, because the mean of its divisors is an integer number (14060610).

Almost surely, 2^68740738 is an apocalyptic number.

68740738 is a deficient number, since it is larger than the sum of its proper divisors (43744142).

68740738 is a wasteful number, since it uses less digits than its factorization.

68740738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124592.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 68740738 is about 8291.0034374616. The cubic root of 68740738 is about 409.6422379805.

The spelling of 68740738 in words is "sixty-eight million, seven hundred forty thousand, seven hundred thirty-eight".