68973437 has 16 divisors (see below), whose sum is σ = 78935472. Its totient is φ = 59704320.

The previous prime is 68973427. The next prime is 68973451. The reversal of 68973437 is 73437986.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3136441 + 65836996 = 1771^2 + 8114^2 .

It is not a de Polignac number, because 68973437 - 2²⁰ = 67924861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68973391 and 68973400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68973407) 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, 101543 + ... + 102219.

It is an arithmetic number, because the mean of its divisors is an integer number (4933467).

Almost surely, 2^68973437 is an apocalyptic number.

It is an amenable number.

68973437 is a deficient number, since it is larger than the sum of its proper divisors (9962035).

68973437 is a wasteful number, since it uses less digits than its factorization.

68973437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its digits is 762048, while the sum is 47.

The square root of 68973437 is about 8305.0248042977. The cubic root of 68973437 is about 410.1039534149.

The spelling of 68973437 in words is "sixty-eight million, nine hundred seventy-three thousand, four hundred thirty-seven".