730529812 has 12 divisors (see below), whose sum is σ = 1293830496. Its totient is φ = 360863960.

The previous prime is 730529809. The next prime is 730529819. The reversal of 730529812 is 218925037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730529819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099864 + ... + 1100527.

It is an arithmetic number, because the mean of its divisors is an integer number (107819208).

Almost surely, 2^730529812 is an apocalyptic number.

It is an amenable number.

730529812 is a deficient number, since it is larger than the sum of its proper divisors (563300684).

730529812 is a wasteful number, since it uses less digits than its factorization.

730529812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200478 (or 2200476 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 730529812 is about 27028.3150048241. The cubic root of 730529812 is about 900.6291124027.

The spelling of 730529812 in words is "seven hundred thirty million, five hundred twenty-nine thousand, eight hundred twelve".