721060 has 24 divisors (see below), whose sum is σ = 1564416. Its totient is φ = 278880.

The previous prime is 721057. The next prime is 721079. The reversal of 721060 is 60127.

721060 = T₂₀₀ + T₂₀₁ + ... + T₂₃₀.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (65184).

2⁷²¹⁰⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 721060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782208).

721060 is an abundant number, since it is smaller than the sum of its proper divisors (843356).

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

721060 is a wasteful number, since it uses less digits than its factorization.

721060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 721060 is about 849.1525186914. The cubic root of 721060 is about 89.6720575217.

Adding to 721060 its reverse (60127), we get a palindrome (781187).

The spelling of 721060 in words is "seven hundred twenty-one thousand, sixty".