730308220078 has 4 divisors (see below), whose sum is σ = 1095462330120. Its totient is φ = 365154110038.

The previous prime is 730308220073. The next prime is 730308220091. The reversal of 730308220078 is 870022803037.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 730308220078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730308220073) 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 as a sum of consecutive naturals, namely, 182577055018 + ... + 182577055021.

It is an arithmetic number, because the mean of its divisors is an integer number (273865582530).

Almost surely, 2^730308220078 is an apocalyptic number.

730308220078 is a deficient number, since it is larger than the sum of its proper divisors (365154110042).

730308220078 is a wasteful number, since it uses less digits than its factorization.

730308220078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365154110041.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 730308220078 in words is "seven hundred thirty billion, three hundred eight million, two hundred twenty thousand, seventy-eight".