68447349 has 20 divisors (see below), whose sum is σ = 105550720. Its totient is φ = 44157960.

The previous prime is 68447347. The next prime is 68447383. The reversal of 68447349 is 94374486.

It is not a de Polignac number, because 68447349 - 2¹ = 68447347 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 (68447347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11119 + ... + 16140.

It is an arithmetic number, because the mean of its divisors is an integer number (5277536).

Almost surely, 2^68447349 is an apocalyptic number.

It is an amenable number.

68447349 is a deficient number, since it is larger than the sum of its proper divisors (37103371).

68447349 is a wasteful number, since it uses less digits than its factorization.

68447349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302 (or 27293 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 68447349 is about 8273.2913039491. The cubic root of 68447349 is about 409.0586155114.

The spelling of 68447349 in words is "sixty-eight million, four hundred forty-seven thousand, three hundred forty-nine".