7494863426 has 16 divisors (see below), whose sum is σ = 11402624184. Its totient is φ = 3694045824.

The previous prime is 7494863371. The next prime is 7494863479. The reversal of 7494863426 is 6243684947.

It can be written as a sum of positive squares in 4 ways, for example, as 6879873025 + 614990401 = 82945^2 + 24799^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 268940 + ... + 295496.

Almost surely, 2^7494863426 is an apocalyptic number.

7494863426 is a deficient number, since it is larger than the sum of its proper divisors (3907760758).

7494863426 is a wasteful number, since it uses less digits than its factorization.

7494863426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28565.

The product of its digits is 6967296, while the sum is 53.

The square root of 7494863426 is about 86572.8792752095. The cubic root of 7494863426 is about 1956.9868516996.

The spelling of 7494863426 in words is "seven billion, four hundred ninety-four million, eight hundred sixty-three thousand, four hundred twenty-six".