730438830 has 384 divisors, whose sum is σ = 2419061760. Its totient is φ = 155105280.

The previous prime is 730438829. The next prime is 730438837. The reversal of 730438830 is 38834037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730438837) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19741572 + ... + 19741608.

It is an arithmetic number, because the mean of its divisors is an integer number (6299640).

Almost surely, 2^730438830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730438830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209530880).

730438830 is an abundant number, since it is smaller than the sum of its proper divisors (1688622930).

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

730438830 is a wasteful number, since it uses less digits than its factorization.

730438830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 730438830 is about 27026.6318656247. The cubic root of 730438830 is about 900.5917219871.

The spelling of 730438830 in words is "seven hundred thirty million, four hundred thirty-eight thousand, eight hundred thirty".