30720466378 has 8 divisors (see below), whose sum is σ = 52663656672. Its totient is φ = 13165914156.

The previous prime is 30720466367. The next prime is 30720466379. The reversal of 30720466378 is 87366402703.

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

It is not an unprimeable number, because it can be changed into a prime (30720466379) 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, 1097159500 + ... + 1097159527.

It is an arithmetic number, because the mean of its divisors is an integer number (6582957084).

Almost surely, 2^30720466378 is an apocalyptic number.

30720466378 is a deficient number, since it is larger than the sum of its proper divisors (21943190294).

30720466378 is a wasteful number, since it uses less digits than its factorization.

30720466378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194319036.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 30720466378 in words is "thirty billion, seven hundred twenty million, four hundred sixty-six thousand, three hundred seventy-eight".