731420683 has 8 divisors (see below), whose sum is σ = 849613280. Its totient is φ = 616654080.

The previous prime is 731420681. The next prime is 731420717. The reversal of 731420683 is 386024137.

It is a happy number.

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

It is not a de Polignac number, because 731420683 - 2¹ = 731420681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731420681) 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 7 ways as a sum of consecutive naturals, for example, 856038 + ... + 856891.

It is an arithmetic number, because the mean of its divisors is an integer number (106201660).

Almost surely, 2^731420683 is an apocalyptic number.

731420683 is a deficient number, since it is larger than the sum of its proper divisors (118192597).

731420683 is a wasteful number, since it uses less digits than its factorization.

731420683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712997.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 731420683 is about 27044.7903116293. The cubic root of 731420683 is about 900.9950652661.

The spelling of 731420683 in words is "seven hundred thirty-one million, four hundred twenty thousand, six hundred eighty-three".