71735743 has 4 divisors (see below), whose sum is σ = 71843008. Its totient is φ = 71628480.

The previous prime is 71735723. The next prime is 71735753. The reversal of 71735743 is 34753717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34753717 = 19 ⋅1829143.

It is a cyclic number.

It is not a de Polignac number, because 71735743 - 2⁹ = 71735231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71735723) 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, 52623 + ... + 53968.

It is an arithmetic number, because the mean of its divisors is an integer number (17960752).

Almost surely, 2^71735743 is an apocalyptic number.

71735743 is a deficient number, since it is larger than the sum of its proper divisors (107265).

71735743 is a wasteful number, since it uses less digits than its factorization.

71735743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107264.

The product of its digits is 61740, while the sum is 37.

The square root of 71735743 is about 8469.6955671382. The cubic root of 71735743 is about 415.5071807525.

The spelling of 71735743 in words is "seventy-one million, seven hundred thirty-five thousand, seven hundred forty-three".