730620830 has 16 divisors (see below), whose sum is σ = 1317762000. Its totient is φ = 291660672.

The previous prime is 730620811. The next prime is 730620841. The reversal of 730620830 is 38026037.

It is a junction number, because it is equal to n+sod(n) for n = 730620793 and 730620802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68219 + ... + 78198.

It is an arithmetic number, because the mean of its divisors is an integer number (82360125).

Almost surely, 2^730620830 is an apocalyptic number.

730620830 is a deficient number, since it is larger than the sum of its proper divisors (587141170).

730620830 is a wasteful number, since it uses less digits than its factorization.

730620830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146923.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 730620830 is about 27029.9987051424. The cubic root of 730620830 is about 900.6665145068. Note that the first 3 decimals are identical.

Adding to 730620830 its reverse (38026037), we get a palindrome (768646867).

The spelling of 730620830 in words is "seven hundred thirty million, six hundred twenty thousand, eight hundred thirty".