7494728274947 has 4 divisors (see below), whose sum is σ = 7494737630016. Its totient is φ = 7494718919880.

The previous prime is 7494728274937. The next prime is 7494728274973.

7494728274947 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7494728274947 - 2⁶ = 7494728274883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7494728274937) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3350288 + ... + 5119949.

It is an arithmetic number, because the mean of its divisors is an integer number (1873684407504).

Almost surely, 2^{7494728274947} is an apocalyptic number.

7494728274947 is a deficient number, since it is larger than the sum of its proper divisors (9355069).

7494728274947 is an equidigital number, since it uses as much as digits as its factorization.

7494728274947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355068.

The product of its digits is 1593188352, while the sum is 74.

The spelling of 7494728274947 in words is "seven trillion, four hundred ninety-four billion, seven hundred twenty-eight million, two hundred seventy-four thousand, nine hundred forty-seven".