722748600 has 288 divisors, whose sum is σ = 2920944000. Its totient is φ = 156453120.

The previous prime is 722748583. The next prime is 722748623. The reversal of 722748600 is 6847227.

722748600 is a `hidden beast` number, since 7 + 2 + 2 + 7 + 48 + 600 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 237891 + ... + 240909.

Almost surely, 2^722748600 is an apocalyptic number.

722748600 is a gapful number since it is divisible by the number (70) 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 722748600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460472000).

722748600 is an abundant number, since it is smaller than the sum of its proper divisors (2198195400).

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

722748600 is a wasteful number, since it uses less digits than its factorization.

722748600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 722748600 is about 26883.9840797453. The cubic root of 722748600 is about 897.4200185811.

The spelling of 722748600 in words is "seven hundred twenty-two million, seven hundred forty-eight thousand, six hundred".