730226880 has 224 divisors, whose sum is σ = 2594457600. Its totient is φ = 193342464.

The previous prime is 730226837. The next prime is 730226897. The reversal of 730226880 is 88622037.

It is a happy number.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1926531 + ... + 1926909.

It is an arithmetic number, because the mean of its divisors is an integer number (11582400).

Almost surely, 2^730226880 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 730226880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297228800).

730226880 is an abundant number, since it is smaller than the sum of its proper divisors (1864230720).

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

730226880 is a wasteful number, since it uses less digits than its factorization.

730226880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 730226880 is about 27022.7104488058. The cubic root of 730226880 is about 900.5046059170.

The spelling of 730226880 in words is "seven hundred thirty million, two hundred twenty-six thousand, eight hundred eighty".