68407437 has 8 divisors (see below), whose sum is σ = 104239936. Its totient is φ = 39089952.

The previous prime is 68407403. The next prime is 68407441. The reversal of 68407437 is 73470486.

It is a happy number.

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

It is not a de Polignac number, because 68407437 - 2⁸ = 68407181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68407395 and 68407404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68407457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628728 + ... + 1628769.

It is an arithmetic number, because the mean of its divisors is an integer number (13029992).

Almost surely, 2^68407437 is an apocalyptic number.

It is an amenable number.

68407437 is a deficient number, since it is larger than the sum of its proper divisors (35832499).

68407437 is a wasteful number, since it uses less digits than its factorization.

68407437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257507.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 68407437 is about 8270.8788529394. The cubic root of 68407437 is about 408.9790919942.

The spelling of 68407437 in words is "sixty-eight million, four hundred seven thousand, four hundred thirty-seven".