68879237 has 16 divisors (see below), whose sum is σ = 85107840. Its totient is φ = 54416448.

The previous prime is 68879233. The next prime is 68879267. The reversal of 68879237 is 73297886.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68879237 - 2² = 68879233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68879233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2078 + ... + 11919.

It is an arithmetic number, because the mean of its divisors is an integer number (5319240).

Almost surely, 2^68879237 is an apocalyptic number.

It is an amenable number.

68879237 is a deficient number, since it is larger than the sum of its proper divisors (16228603).

68879237 is a wasteful number, since it uses less digits than its factorization.

68879237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060.

The product of its digits is 1016064, while the sum is 50.

The square root of 68879237 is about 8299.3516011795. The cubic root of 68879237 is about 409.9171694659.

The spelling of 68879237 in words is "sixty-eight million, eight hundred seventy-nine thousand, two hundred thirty-seven".