730497066 has 128 divisors (see below), whose sum is σ = 1790208000. Its totient is φ = 196390656.

The previous prime is 730497059. The next prime is 730497091. The reversal of 730497066 is 660794037.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 988125 + ... + 988863.

It is an arithmetic number, because the mean of its divisors is an integer number (13986000).

Almost surely, 2^730497066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730497066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895104000).

730497066 is an abundant number, since it is smaller than the sum of its proper divisors (1059710934).

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

730497066 is a wasteful number, since it uses less digits than its factorization.

730497066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 730497066 is about 27027.7092259037. The cubic root of 730497066 is about 900.6156553011.

The spelling of 730497066 in words is "seven hundred thirty million, four hundred ninety-seven thousand, sixty-six".