68239237 has 16 divisors (see below), whose sum is σ = 77077440. Its totient is φ = 59875200.

The previous prime is 68239219. The next prime is 68239243. The reversal of 68239237 is 73293286.

It is not a de Polignac number, because 68239237 - 2⁷ = 68239109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68239237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68239217) 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, 41287 + ... + 42907.

It is an arithmetic number, because the mean of its divisors is an integer number (4817340).

Almost surely, 2^68239237 is an apocalyptic number.

It is an amenable number.

68239237 is a deficient number, since it is larger than the sum of its proper divisors (8838203).

68239237 is a wasteful number, since it uses less digits than its factorization.

68239237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its digits is 108864, while the sum is 40.

The square root of 68239237 is about 8260.7043888521. The cubic root of 68239237 is about 408.6436180366.

The spelling of 68239237 in words is "sixty-eight million, two hundred thirty-nine thousand, two hundred thirty-seven".