72303027778 has 8 divisors (see below), whose sum is σ = 108489729168. Its totient is φ = 36139784724.

The previous prime is 72303027767. The next prime is 72303027781. The reversal of 72303027778 is 87772030327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5856876 + ... + 5869207.

It is an arithmetic number, because the mean of its divisors is an integer number (13561216146).

Almost surely, 2^72303027778 is an apocalyptic number.

72303027778 is a deficient number, since it is larger than the sum of its proper divisors (36186701390).

72303027778 is a wasteful number, since it uses less digits than its factorization.

72303027778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729168.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 72303027778 in words is "seventy-two billion, three hundred three million, twenty-seven thousand, seven hundred seventy-eight".