730732221353 has 4 divisors (see below), whose sum is σ = 730886943888. Its totient is φ = 730577498820.

The previous prime is 730732221347. The next prime is 730732221367. The reversal of 730732221353 is 353122237037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730732221353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730732221053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77354183 + ... + 77363628.

It is an arithmetic number, because the mean of its divisors is an integer number (182721735972).

Almost surely, 2^730732221353 is an apocalyptic number.

It is an amenable number.

730732221353 is a deficient number, since it is larger than the sum of its proper divisors (154722535).

730732221353 is a wasteful number, since it uses less digits than its factorization.

730732221353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154722534.

The product of its (nonzero) digits is 158760, while the sum is 38.

The spelling of 730732221353 in words is "seven hundred thirty billion, seven hundred thirty-two million, two hundred twenty-one thousand, three hundred fifty-three".