68706437 has 4 divisors (see below), whose sum is σ = 68894016. Its totient is φ = 68518860.

The previous prime is 68706427. The next prime is 68706461. The reversal of 68706437 is 73460786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68706437 - 2¹² = 68702341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68706394 and 68706403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68706427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93239 + ... + 93972.

It is an arithmetic number, because the mean of its divisors is an integer number (17223504).

Almost surely, 2^68706437 is an apocalyptic number.

It is an amenable number.

68706437 is a deficient number, since it is larger than the sum of its proper divisors (187579).

68706437 is a wasteful number, since it uses less digits than its factorization.

68706437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187578.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 68706437 is about 8288.9346118787. The cubic root of 68706437 is about 409.5740907334.

The spelling of 68706437 in words is "sixty-eight million, seven hundred six thousand, four hundred thirty-seven".