68432437 has 2 divisors, whose sum is σ = 68432438. Its totient is φ = 68432436.

The previous prime is 68432417. The next prime is 68432467. The reversal of 68432437 is 73423486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51466276 + 16966161 = 7174^2 + 4119^2 .

It is a cyclic number.

It is not a de Polignac number, because 68432437 - 2²³ = 60043829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68432396 and 68432405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68432417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34216218 + 34216219.

It is an arithmetic number, because the mean of its divisors is an integer number (34216219).

Almost surely, 2^68432437 is an apocalyptic number.

It is an amenable number.

68432437 is a deficient number, since it is larger than the sum of its proper divisors (1).

68432437 is an equidigital number, since it uses as much as digits as its factorization.

68432437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 68432437 is about 8272.3900415781. The cubic root of 68432437 is about 409.0289073966.

The spelling of 68432437 in words is "sixty-eight million, four hundred thirty-two thousand, four hundred thirty-seven".