730686000 has 160 divisors (see below), whose sum is σ = 2570121216. Its totient is φ = 177120000.

The previous prime is 730685941. The next prime is 730686013. The reversal of 730686000 is 686037.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60465 + ... + 71535.

Almost surely, 2^730686000 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 730686000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285060608).

730686000 is an abundant number, since it is smaller than the sum of its proper divisors (1839435216).

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

730686000 is a wasteful number, since it uses less digits than its factorization.

730686000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108 (or 11092 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 730686000 is about 27031.2041907126. The cubic root of 730686000 is about 900.6932929621.

The spelling of 730686000 in words is "seven hundred thirty million, six hundred eighty-six thousand".