730881738 has 32 divisors (see below), whose sum is σ = 1635883200. Its totient is φ = 241872048.

The previous prime is 730881719. The next prime is 730881769. The reversal of 730881738 is 837188037.

730881738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×730881738² = 1068376229883801288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 730881693 and 730881702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41181 + ... + 56192.

It is an arithmetic number, because the mean of its divisors is an integer number (51121350).

Almost surely, 2^730881738 is an apocalyptic number.

730881738 is an abundant number, since it is smaller than the sum of its proper divisors (905001462).

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

730881738 is a wasteful number, since it uses less digits than its factorization.

730881738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97523 (or 97517 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 730881738 is about 27034.8245416907. The cubic root of 730881738 is about 900.7737124417.

The spelling of 730881738 in words is "seven hundred thirty million, eight hundred eighty-one thousand, seven hundred thirty-eight".