73682743 has 4 divisors (see below), whose sum is σ = 78017040. Its totient is φ = 69348448.

The previous prime is 73682737. The next prime is 73682759. The reversal of 73682743 is 34728637.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73682743 - 2⁵ = 73682711 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73682696 and 73682705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73682783) 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, 2167123 + ... + 2167156.

It is an arithmetic number, because the mean of its divisors is an integer number (19504260).

Almost surely, 2^73682743 is an apocalyptic number.

73682743 is a deficient number, since it is larger than the sum of its proper divisors (4334297).

73682743 is a wasteful number, since it uses less digits than its factorization.

73682743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334296.

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

The square root of 73682743 is about 8583.8652715429. The cubic root of 73682743 is about 419.2328077016.

The spelling of 73682743 in words is "seventy-three million, six hundred eighty-two thousand, seven hundred forty-three".