68530743 has 6 divisors (see below), whose sum is σ = 98988864. Its totient is φ = 45687156.

The previous prime is 68530733. The next prime is 68530783. The reversal of 68530743 is 34703586.

It is a happy number.

It is not a de Polignac number, because 68530743 - 2⁴ = 68530727 is a prime.

It is a super-2 number, since 2×68530743² = 9392925472264098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68530698 and 68530707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68530703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3807255 + ... + 3807272.

It is an arithmetic number, because the mean of its divisors is an integer number (16498144).

Almost surely, 2^68530743 is an apocalyptic number.

68530743 is a deficient number, since it is larger than the sum of its proper divisors (30458121).

68530743 is a wasteful number, since it uses less digits than its factorization.

68530743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614533 (or 7614530 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 68530743 is about 8278.3297228366. The cubic root of 68530743 is about 409.2246759456.

The spelling of 68530743 in words is "sixty-eight million, five hundred thirty thousand, seven hundred forty-three".