722534700 has 144 divisors (see below), whose sum is σ = 2148473600. Its totient is φ = 187418880.

The previous prime is 722534693. The next prime is 722534707. The reversal of 722534700 is 7435227.

It is an interprime number because it is at equal distance from previous prime (722534693) and next prime (722534707).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (722534707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2070126 + ... + 2070474.

Almost surely, 2^722534700 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 722534700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074236800).

722534700 is an abundant number, since it is smaller than the sum of its proper divisors (1425938900).

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

722534700 is a wasteful number, since it uses less digits than its factorization.

722534700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 722534700 is about 26880.0055803566. The cubic root of 722534700 is about 897.3314783049.

Adding to 722534700 its reverse (7435227), we get a palindrome (729969927).

The spelling of 722534700 in words is "seven hundred twenty-two million, five hundred thirty-four thousand, seven hundred".