68872438 has 4 divisors (see below), whose sum is σ = 103308660. Its totient is φ = 34436218.

The previous prime is 68872417. The next prime is 68872439. The reversal of 68872438 is 83427886.

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 (68872439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17218108 + ... + 17218111.

It is an arithmetic number, because the mean of its divisors is an integer number (25827165).

Almost surely, 2^68872438 is an apocalyptic number.

68872438 is a deficient number, since it is larger than the sum of its proper divisors (34436222).

68872438 is a wasteful number, since it uses less digits than its factorization.

68872438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34436221.

The product of its digits is 516096, while the sum is 46.

The square root of 68872438 is about 8298.9419807588. The cubic root of 68872438 is about 409.9036815187.

The spelling of 68872438 in words is "sixty-eight million, eight hundred seventy-two thousand, four hundred thirty-eight".