730648816 has 20 divisors (see below), whose sum is σ = 1416095872. Its totient is φ = 365204736.

The previous prime is 730648771. The next prime is 730648817. The reversal of 730648816 is 618846037.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730648817) 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, 63025 + ... + 73711.

Almost surely, 2^730648816 is an apocalyptic number.

It is an amenable number.

730648816 is a deficient number, since it is larger than the sum of its proper divisors (685447056).

730648816 is a wasteful number, since it uses less digits than its factorization.

730648816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14968 (or 14962 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 730648816 is about 27030.5163842647. The cubic root of 730648816 is about 900.6780141932.

The spelling of 730648816 in words is "seven hundred thirty million, six hundred forty-eight thousand, eight hundred sixteen".