7421530748224 has 28 divisors (see below), whose sum is σ = 14728407220800. Its totient is φ = 3710436015488.

The previous prime is 7421530748209. The next prime is 7421530748227. The reversal of 7421530748224 is 4228470351247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421530748227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418734 + ... + 5862445.

It is an arithmetic number, because the mean of its divisors is an integer number (526014543600).

Almost surely, 2^{7421530748224} is an apocalyptic number.

It is an amenable number.

7421530748224 is a deficient number, since it is larger than the sum of its proper divisors (7306876472576).

7421530748224 is a wasteful number, since it uses less digits than its factorization.

7421530748224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292470 (or 10292460 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 49.

The spelling of 7421530748224 in words is "seven trillion, four hundred twenty-one billion, five hundred thirty million, seven hundred forty-eight thousand, two hundred twenty-four".