722700 has 108 divisors (see below), whose sum is σ = 2505048. Its totient is φ = 172800.

The previous prime is 722669. The next prime is 722713. The reversal of 722700 is 7227.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9864 + ... + 9936.

2⁷²²⁷⁰⁰ 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 722700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252524).

722700 is an abundant number, since it is smaller than the sum of its proper divisors (1782348).

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

722700 is a wasteful number, since it uses less digits than its factorization.

722700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 722700 is about 850.1176389183. The cubic root of 722700 is about 89.7399902969.

Adding to 722700 its reverse (7227), we get a palindrome (729927).

Multiplying 722700 by its reverse (7227), we get a square (5222952900 = 72270²).

722700 divided by its reverse (7227) gives a square (100 = 10²).

It can be divided in two parts, 72 and 2700, that added together give a palindrome (2772).

The spelling of 722700 in words is "seven hundred twenty-two thousand, seven hundred", and thus it is an iban number.