406073743 has 4 divisors (see below), whose sum is σ = 419172928. Its totient is φ = 392974560.

The previous prime is 406073729. The next prime is 406073753. The reversal of 406073743 is 347370604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406073743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406073699 and 406073708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406073753) 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 3 ways as a sum of consecutive naturals, for example, 6549546 + ... + 6549607.

It is an arithmetic number, because the mean of its divisors is an integer number (104793232).

Almost surely, 2^406073743 is an apocalyptic number.

406073743 is a deficient number, since it is larger than the sum of its proper divisors (13099185).

406073743 is a wasteful number, since it uses less digits than its factorization.

406073743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13099184.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 406073743 is about 20151.2714983447. The cubic root of 406073743 is about 740.5168917268.

The spelling of 406073743 in words is "four hundred six million, seventy-three thousand, seven hundred forty-three".