68363444 has 12 divisors (see below), whose sum is σ = 125932800. Its totient is φ = 32382648.

The previous prime is 68363437. The next prime is 68363447. The reversal of 68363444 is 44436386.

It is a super-2 number, since 2×68363444² = 9347120951082272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 68363398 and 68363407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68363447) 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, 449684 + ... + 449835.

It is an arithmetic number, because the mean of its divisors is an integer number (10494400).

Almost surely, 2^68363444 is an apocalyptic number.

It is an amenable number.

68363444 is a deficient number, since it is larger than the sum of its proper divisors (57569356).

68363444 is a wasteful number, since it uses less digits than its factorization.

68363444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899542 (or 899540 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 68363444 is about 8268.2189134057. The cubic root of 68363444 is about 408.8914013555.

The spelling of 68363444 in words is "sixty-eight million, three hundred sixty-three thousand, four hundred forty-four".