722453472 has 192 divisors, whose sum is σ = 2291224320. Its totient is φ = 220147200.

The previous prime is 722453467. The next prime is 722453491. The reversal of 722453472 is 274354227.

It is a happy number.

722453472 is a `hidden beast` number, since 72 + 245 + 347 + 2 = 666.

722453472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (94080) is a multiple of the sum of its prime divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471147 + ... + 1471637.

It is an arithmetic number, because the mean of its divisors is an integer number (11933460).

Almost surely, 2^722453472 is an apocalyptic number.

722453472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722453472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145612160).

722453472 is an abundant number, since it is smaller than the sum of its proper divisors (1568770848).

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

722453472 is a wasteful number, since it uses less digits than its factorization.

722453472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 640 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 722453472 is about 26878.4946007026. The cubic root of 722453472 is about 897.2978507744.

The spelling of 722453472 in words is "seven hundred twenty-two million, four hundred fifty-three thousand, four hundred seventy-two".