68007413 has 4 divisors (see below), whose sum is σ = 68164908. Its totient is φ = 67849920.

The previous prime is 68007409. The next prime is 68007419. The reversal of 68007413 is 31470086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29343889 + 38663524 = 5417^2 + 6218^2 .

It is a cyclic number.

It is not a de Polignac number, because 68007413 - 2² = 68007409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68007419) 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, 78098 + ... + 78963.

It is an arithmetic number, because the mean of its divisors is an integer number (17041227).

Almost surely, 2^68007413 is an apocalyptic number.

It is an amenable number.

68007413 is a deficient number, since it is larger than the sum of its proper divisors (157495).

68007413 is a wasteful number, since it uses less digits than its factorization.

68007413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157494.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 68007413 is about 8246.6607181331. The cubic root of 68007413 is about 408.1803416671.

Adding to 68007413 its reverse (31470086), we get a palindrome (99477499).

The spelling of 68007413 in words is "sixty-eight million, seven thousand, four hundred thirteen".