730085994 has 128 divisors (see below), whose sum is σ = 1822176000. Its totient is φ = 214824960.

The previous prime is 730085989. The next prime is 730085999. The reversal of 730085994 is 499580037.

It is an interprime number because it is at equal distance from previous prime (730085989) and next prime (730085999).

It is not an unprimeable number, because it can be changed into a prime (730085999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4899832 + ... + 4899980.

It is an arithmetic number, because the mean of its divisors is an integer number (14235750).

Almost surely, 2^730085994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730085994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911088000).

730085994 is an abundant number, since it is smaller than the sum of its proper divisors (1092090006).

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

730085994 is a wasteful number, since it uses less digits than its factorization.

730085994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 730085994 is about 27020.1035157158. The cubic root of 730085994 is about 900.4466893729.

The spelling of 730085994 in words is "seven hundred thirty million, eighty-five thousand, nine hundred ninety-four".