7974263920422 has 32 divisors (see below), whose sum is σ = 16041217175424. Its totient is φ = 2642666644800.

The previous prime is 7974263920421. The next prime is 7974263920429. The reversal of 7974263920422 is 2240293624797.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974263920421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2174904 + ... + 4547387.

It is an arithmetic number, because the mean of its divisors is an integer number (501288036732).

Almost surely, 2^{7974263920422} is an apocalyptic number.

7974263920422 is an abundant number, since it is smaller than the sum of its proper divisors (8066953255002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7974263920422 is a wasteful number, since it uses less digits than its factorization.

7974263920422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723444.

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 7974263920422 in words is "seven trillion, nine hundred seventy-four billion, two hundred sixty-three million, nine hundred twenty thousand, four hundred twenty-two".