730772224 has 216 divisors, whose sum is σ = 1915146240. Its totient is φ = 271724544.

The previous prime is 730772197. The next prime is 730772239. The reversal of 730772224 is 422277037.

It is a self number, because there is not a number n which added to its sum of digits gives 730772224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5754049 + ... + 5754175.

Almost surely, 2^730772224 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 730772224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957573120).

730772224 is an abundant number, since it is smaller than the sum of its proper divisors (1184374016).

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

730772224 is a wasteful number, since it uses less digits than its factorization.

730772224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 730772224 is about 27032.7990411648. The cubic root of 730772224 is about 900.7287200922.

The spelling of 730772224 in words is "seven hundred thirty million, seven hundred seventy-two thousand, two hundred twenty-four".