731721014 has 8 divisors (see below), whose sum is σ = 1124351928. Its totient is φ = 356937040.

The previous prime is 731720963. The next prime is 731721017. The reversal of 731721014 is 410127137.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731721017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461632 + ... + 4461795.

It is an arithmetic number, because the mean of its divisors is an integer number (140543991).

Almost surely, 2^731721014 is an apocalyptic number.

731721014 is a deficient number, since it is larger than the sum of its proper divisors (392630914).

731721014 is a wasteful number, since it uses less digits than its factorization.

731721014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923470.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 731721014 is about 27050.3422159499. The cubic root of 731721014 is about 901.1183685519.

The spelling of 731721014 in words is "seven hundred thirty-one million, seven hundred twenty-one thousand, fourteen".