731961338 has 8 divisors (see below), whose sum is σ = 1145678688. Its totient is φ = 350068444.

The previous prime is 731961331. The next prime is 731961353. The reversal of 731961338 is 833169137.

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

It is a junction number, because it is equal to n+sod(n) for n = 731961295 and 731961304.

It is not an unprimeable number, because it can be changed into a prime (731961331) 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, 7956056 + ... + 7956147.

It is an arithmetic number, because the mean of its divisors is an integer number (143209836).

Almost surely, 2^731961338 is an apocalyptic number.

731961338 is a deficient number, since it is larger than the sum of its proper divisors (413717350).

731961338 is a wasteful number, since it uses less digits than its factorization.

731961338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15912228.

The product of its digits is 81648, while the sum is 41.

The square root of 731961338 is about 27054.7840131833. The cubic root of 731961338 is about 901.2170111867.

The spelling of 731961338 in words is "seven hundred thirty-one million, nine hundred sixty-one thousand, three hundred thirty-eight".