7243770028 has 36 divisors (see below), whose sum is σ = 13959764056. Its totient is φ = 3286483200.

The previous prime is 7243769963. The next prime is 7243770043. The reversal of 7243770028 is 8200773427.

It is a super-2 number, since 2×7243770028² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 251068 + ... + 278428.

Almost surely, 2^7243770028 is an apocalyptic number.

It is an amenable number.

7243770028 is a deficient number, since it is larger than the sum of its proper divisors (6715994028).

7243770028 is a wasteful number, since it uses less digits than its factorization.

7243770028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27934 (or 27921 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 7243770028 is about 85110.3403118563. The cubic root of 7243770028 is about 1934.8837832126.

The spelling of 7243770028 in words is "seven billion, two hundred forty-three million, seven hundred seventy thousand, twenty-eight".