7424642720 has 48 divisors (see below), whose sum is σ = 19135333728. Its totient is φ = 2699869440.

The previous prime is 7424642699. The next prime is 7424642779. The reversal of 7424642720 is 272464247.

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, 2107514 + ... + 2111033.

It is an arithmetic number, because the mean of its divisors is an integer number (398652786).

Almost surely, 2^7424642720 is an apocalyptic number.

It is an amenable number.

7424642720 is an abundant number, since it is smaller than the sum of its proper divisors (11710691008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7424642720 is a wasteful number, since it uses less digits than its factorization.

7424642720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218573 (or 4218565 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The square root of 7424642720 is about 86166.3665243000. The cubic root of 7424642720 is about 1950.8558785084.

The spelling of 7424642720 in words is "seven billion, four hundred twenty-four million, six hundred forty-two thousand, seven hundred twenty".