68441397 has 16 divisors (see below), whose sum is σ = 94499328. Its totient is φ = 44015040.

The previous prime is 68441389. The next prime is 68441407. The reversal of 68441397 is 79314486.

It is not a de Polignac number, because 68441397 - 2³ = 68441389 is a prime.

It is a super-3 number, since 3×68441397³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68441377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33703 + ... + 35675.

It is an arithmetic number, because the mean of its divisors is an integer number (5906208).

Almost surely, 2^68441397 is an apocalyptic number.

It is an amenable number.

68441397 is a deficient number, since it is larger than the sum of its proper divisors (26057931).

68441397 is a wasteful number, since it uses less digits than its factorization.

68441397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380.

The product of its digits is 145152, while the sum is 42.

The square root of 68441397 is about 8272.9315843901. The cubic root of 68441397 is about 409.0467582835.

The spelling of 68441397 in words is "sixty-eight million, four hundred forty-one thousand, three hundred ninety-seven".