722460 has 24 divisors (see below), whose sum is σ = 2023056. Its totient is φ = 192640.

The previous prime is 722459. The next prime is 722467. The reversal of 722460 is 64227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722467) 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, 5961 + ... + 6080.

It is an arithmetic number, because the mean of its divisors is an integer number (84294).

2⁷²²⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

722460 is an abundant number, since it is smaller than the sum of its proper divisors (1300596).

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

722460 is a wasteful number, since it uses less digits than its factorization.

722460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053 (or 12051 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 722460 is about 849.9764702626. The cubic root of 722460 is about 89.7300553390.

Adding to 722460 its reverse (64227), we get a palindrome (786687).

The spelling of 722460 in words is "seven hundred twenty-two thousand, four hundred sixty".