7241451800728 has 32 divisors (see below), whose sum is σ = 14376999605760. Its totient is φ = 3407602659840.

The previous prime is 7241451800701. The next prime is 7241451800773. The reversal of 7241451800728 is 8270081541427.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287273 + ... + 4440103.

It is an arithmetic number, because the mean of its divisors is an integer number (449281237680).

Almost surely, 2^{7241451800728} is an apocalyptic number.

It is an amenable number.

7241451800728 is a deficient number, since it is larger than the sum of its proper divisors (7135547805032).

7241451800728 is a wasteful number, since it uses less digits than its factorization.

7241451800728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177587 (or 2177583 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The spelling of 7241451800728 in words is "seven trillion, two hundred forty-one billion, four hundred fifty-one million, eight hundred thousand, seven hundred twenty-eight".