730986872 has 64 divisors (see below), whose sum is σ = 1737849600. Its totient is φ = 279959040.

The previous prime is 730986869. The next prime is 730986901. The reversal of 730986872 is 278689037.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 730986872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26288 + ... + 46400.

It is an arithmetic number, because the mean of its divisors is an integer number (27153900).

Almost surely, 2^730986872 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 730986872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868924800).

730986872 is an abundant number, since it is smaller than the sum of its proper divisors (1006862728).

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

730986872 is a wasteful number, since it uses less digits than its factorization.

730986872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196 (or 20192 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 730986872 is about 27036.7688897915. The cubic root of 730986872 is about 900.8169010991.

The spelling of 730986872 in words is "seven hundred thirty million, nine hundred eighty-six thousand, eight hundred seventy-two".