731963 has 4 divisors (see below), whose sum is σ = 736368. Its totient is φ = 727560.

The previous prime is 731957. The next prime is 731981. The reversal of 731963 is 369137.

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 731963 - 2¹⁴ = 715579 is a prime.

It is a d-powerful number, because it can be written as 7⁵ + 3¹¹ + 9⁴ + 1 + 6 + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731923) 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, 1943 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (184092).

2⁷³¹⁹⁶³ is an apocalyptic number.

731963 is a deficient number, since it is larger than the sum of its proper divisors (4405).

731963 is a wasteful number, since it uses less digits than its factorization.

731963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its digits is 3402, while the sum is 29.

The square root of 731963 is about 855.5483621631. The cubic root of 731963 is about 90.1217693291.

The spelling of 731963 in words is "seven hundred thirty-one thousand, nine hundred sixty-three".