730213880 has 64 divisors (see below), whose sum is σ = 1795322880. Its totient is φ = 265091200.

The previous prime is 730213837. The next prime is 730213889. The reversal of 730213880 is 88312037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730213889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389345 + ... + 391215.

It is an arithmetic number, because the mean of its divisors is an integer number (28051920).

Almost surely, 2^730213880 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 730213880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897661440).

730213880 is an abundant number, since it is smaller than the sum of its proper divisors (1065109000).

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

730213880 is a wasteful number, since it uses less digits than its factorization.

730213880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 730213880 is about 27022.4699093181. The cubic root of 730213880 is about 900.4992620850.

The spelling of 730213880 in words is "seven hundred thirty million, two hundred thirteen thousand, eight hundred eighty".