72278216374 has 16 divisors (see below), whose sum is σ = 133436707488. Its totient is φ = 28593580032.

The previous prime is 72278216363. The next prime is 72278216389. The reversal of 72278216374 is 47361287227.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198566347 + ... + 198566710.

It is an arithmetic number, because the mean of its divisors is an integer number (8339794218).

Almost surely, 2^72278216374 is an apocalyptic number.

72278216374 is a deficient number, since it is larger than the sum of its proper divisors (61158491114).

72278216374 is a wasteful number, since it uses less digits than its factorization.

72278216374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397133079.

The product of its digits is 1580544, while the sum is 49.

The spelling of 72278216374 in words is "seventy-two billion, two hundred seventy-eight million, two hundred sixteen thousand, three hundred seventy-four".