722049120 has 576 divisors, whose sum is σ = 2921909760. Its totient is φ = 166053888.

The previous prime is 722049103. The next prime is 722049127. The reversal of 722049120 is 21940227.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722049127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16791819 + ... + 16791861.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^722049120 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 722049120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460954880).

722049120 is an abundant number, since it is smaller than the sum of its proper divisors (2199860640).

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

722049120 is a wasteful number, since it uses less digits than its factorization.

722049120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 722049120 is about 26870.9716980983. The cubic root of 722049120 is about 897.1304158204.

Adding to 722049120 its reverse (21940227), we get a palindrome (743989347).

The spelling of 722049120 in words is "seven hundred twenty-two million, forty-nine thousand, one hundred twenty".