730146312 has 80 divisors (see below), whose sum is σ = 2337255360. Its totient is φ = 208611936.

The previous prime is 730146233. The next prime is 730146353. The reversal of 730146312 is 213641037.

730146312 is a `hidden beast` number, since 7 + 301 + 46 + 312 = 666.

It is a super-2 number, since 2×730146312² = 1066227273854402688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 75948 + ... + 85019.

It is an arithmetic number, because the mean of its divisors is an integer number (29215692).

Almost surely, 2^730146312 is an apocalyptic number.

730146312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

730146312 is an abundant number, since it is smaller than the sum of its proper divisors (1607109048).

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

730146312 is a wasteful number, since it uses less digits than its factorization.

730146312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160992 (or 160979 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 730146312 is about 27021.2196615919. The cubic root of 730146312 is about 900.4714862910.

Adding to 730146312 its reverse (213641037), we get a palindrome (943787349).

The spelling of 730146312 in words is "seven hundred thirty million, one hundred forty-six thousand, three hundred twelve".