68273624 has 8 divisors (see below), whose sum is σ = 128013060. Its totient is φ = 34136808.

The previous prime is 68273587. The next prime is 68273629. The reversal of 68273624 is 42637286.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×68273624² = 9322575468186752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68273629) 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 as a sum of consecutive naturals, namely, 4267094 + ... + 4267109.

Almost surely, 2^68273624 is an apocalyptic number.

It is an amenable number.

68273624 is a deficient number, since it is larger than the sum of its proper divisors (59739436).

68273624 is a wasteful number, since it uses less digits than its factorization.

68273624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8534209 (or 8534205 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 68273624 is about 8262.7854867472. The cubic root of 68273624 is about 408.7122475085.

The spelling of 68273624 in words is "sixty-eight million, two hundred seventy-three thousand, six hundred twenty-four".