730422000 has 960 divisors, whose sum is σ = 3476348928. Its totient is φ = 138240000.

The previous prime is 730421999. The next prime is 730422023. The reversal of 730422000 is 224037.

It is a happy number.

730422000 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 (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23561985 + ... + 23562015.

Almost surely, 2^730422000 is an apocalyptic number.

730422000 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 730422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738174464).

730422000 is an abundant number, since it is smaller than the sum of its proper divisors (2745926928).

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

730422000 is a wasteful number, since it uses less digits than its factorization.

730422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 730422000 is about 27026.3205042788. The cubic root of 730422000 is about 900.5848051062.

Adding to 730422000 its reverse (224037), we get a palindrome (730646037).

The spelling of 730422000 in words is "seven hundred thirty million, four hundred twenty-two thousand".