7074620781428 has 12 divisors (see below), whose sum is σ = 12380605265280. Its totient is φ = 3537304991352.

The previous prime is 7074620781391. The next prime is 7074620781433. The reversal of 7074620781428 is 8241870264707.

It is a congruent number.

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, 3684413 + ... + 5265371.

It is an arithmetic number, because the mean of its divisors is an integer number (1031717105440).

Almost surely, 2^{7074620781428} is an apocalyptic number.

It is an amenable number.

7074620781428 is a deficient number, since it is larger than the sum of its proper divisors (5305984483852).

7074620781428 is a wasteful number, since it uses less digits than its factorization.

7074620781428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699686 (or 2699684 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 56.

The spelling of 7074620781428 in words is "seven trillion, seventy-four billion, six hundred twenty million, seven hundred eighty-one thousand, four hundred twenty-eight".