68626349 has 4 divisors (see below), whose sum is σ = 74865120. Its totient is φ = 62387580.

The previous prime is 68626339. The next prime is 68626357. The reversal of 68626349 is 94362686.

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 68626349 - 2²⁰ = 67577773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68626339) 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, 3119369 + ... + 3119390.

It is an arithmetic number, because the mean of its divisors is an integer number (18716280).

Almost surely, 2^68626349 is an apocalyptic number.

It is an amenable number.

68626349 is a deficient number, since it is larger than the sum of its proper divisors (6238771).

68626349 is a wasteful number, since it uses less digits than its factorization.

68626349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238770.

The product of its digits is 373248, while the sum is 44.

The square root of 68626349 is about 8284.1021843046. The cubic root of 68626349 is about 409.4148881670.

The spelling of 68626349 in words is "sixty-eight million, six hundred twenty-six thousand, three hundred forty-nine".