721014 has 16 divisors (see below), whose sum is σ = 1648128. Its totient is φ = 205992.

The previous prime is 721013. The next prime is 721037. The reversal of 721014 is 410127.

It is a super-2 number, since 2×721014² = 1039722376392, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 720984 and 721002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8542 + ... + 8625.

It is an arithmetic number, because the mean of its divisors is an integer number (103008).

2⁷²¹⁰¹⁴ is an apocalyptic number.

721014 is an abundant number, since it is smaller than the sum of its proper divisors (927114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

721014 is a wasteful number, since it uses less digits than its factorization.

721014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 721014 is about 849.1254324303. The cubic root of 721014 is about 89.6701506057.

The spelling of 721014 in words is "seven hundred twenty-one thousand, fourteen", and thus it is an iban number.