68273743 has 8 divisors (see below), whose sum is σ = 71023680. Its totient is φ = 65550240.

The previous prime is 68273713. The next prime is 68273767. The reversal of 68273743 is 34737286.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68273743 - 2¹³ = 68265551 is a prime.

It is a super-2 number, since 2×68273743² = 9322607966460098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68273696 and 68273705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68273713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (8877960).

Almost surely, 2^68273743 is an apocalyptic number.

68273743 is a deficient number, since it is larger than the sum of its proper divisors (2749937).

68273743 is a wasteful number, since it uses less digits than its factorization.

68273743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217.

The product of its digits is 169344, while the sum is 40.

The square root of 68273743 is about 8262.7926877055. The cubic root of 68273743 is about 408.7124849683.

The spelling of 68273743 in words is "sixty-eight million, two hundred seventy-three thousand, seven hundred forty-three".