722473600 has 96 divisors (see below), whose sum is σ = 1842560640. Its totient is φ = 279628800.

The previous prime is 722473567. The next prime is 722473637. The reversal of 722473600 is 6374227.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95559 + ... + 102841.

It is an arithmetic number, because the mean of its divisors is an integer number (19193340).

Almost surely, 2^722473600 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 722473600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921280320).

722473600 is an abundant number, since it is smaller than the sum of its proper divisors (1120087040).

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

722473600 is a wasteful number, since it uses less digits than its factorization.

722473600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338 (or 7321 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 722473600 is about 26878.8690238261. The cubic root of 722473600 is about 897.3061837878.

The spelling of 722473600 in words is "seven hundred twenty-two million, four hundred seventy-three thousand, six hundred".