7248668426 has 4 divisors (see below), whose sum is σ = 10873002642. Its totient is φ = 3624334212.

The previous prime is 7248668419. The next prime is 7248668489. The reversal of 7248668426 is 6248668427.

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

It can be written as a sum of positive squares in only one way, i.e., 6856668025 + 392000401 = 82805^2 + 19799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812167105 + ... + 1812167108.

Almost surely, 2^7248668426 is an apocalyptic number.

7248668426 is a deficient number, since it is larger than the sum of its proper divisors (3624334216).

7248668426 is a wasteful number, since it uses less digits than its factorization.

7248668426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624334215.

The product of its digits is 6193152, while the sum is 53.

The square root of 7248668426 is about 85139.1121988009. The cubic root of 7248668426 is about 1935.3198220545.

Subtracting from 7248668426 its reverse (6248668427), we obtain a palindrome (999999999).

The spelling of 7248668426 in words is "seven billion, two hundred forty-eight million, six hundred sixty-eight thousand, four hundred twenty-six".