68725039 has 2 divisors, whose sum is σ = 68725040. Its totient is φ = 68725038.

The previous prime is 68725003. The next prime is 68725043. The reversal of 68725039 is 93052786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68725039 - 2¹¹ = 68722991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68724992 and 68725010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68725939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34362519 + 34362520.

It is an arithmetic number, because the mean of its divisors is an integer number (34362520).

Almost surely, 2^68725039 is an apocalyptic number.

68725039 is a deficient number, since it is larger than the sum of its proper divisors (1).

68725039 is an equidigital number, since it uses as much as digits as its factorization.

68725039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 68725039 is about 8290.0566343059. The cubic root of 68725039 is about 409.6110509275.

It can be divided in two parts, 6872 and 5039, that added together give a palindrome (11911).

The spelling of 68725039 in words is "sixty-eight million, seven hundred twenty-five thousand, thirty-nine".