721714 has 8 divisors (see below), whose sum is σ = 1237248. Its totient is φ = 309300.

The previous prime is 721709. The next prime is 721733. The reversal of 721714 is 417127.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25762 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (154656).

2⁷²¹⁷¹⁴ is an apocalyptic number.

721714 is a deficient number, since it is larger than the sum of its proper divisors (515534).

721714 is a wasteful number, since it uses less digits than its factorization.

721714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51560.

The product of its digits is 392, while the sum is 22.

The square root of 721714 is about 849.5375212432. The cubic root of 721714 is about 89.6991601225.

The spelling of 721714 in words is "seven hundred twenty-one thousand, seven hundred fourteen", and thus it is an iban number.