7449761344 has 21 divisors (see below), whose sum is σ = 14784490497. Its totient is φ = 3724535424.

The previous prime is 7449761339. The next prime is 7449761353. The reversal of 7449761344 is 4431679447.

The square root of 7449761344 is 86312.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3374215744 + 4075545600 = 58088^2 + 63840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 685102 + ... + 695890.

It is an arithmetic number, because the mean of its divisors is an integer number (704023357).

Almost surely, 2^7449761344 is an apocalyptic number.

7449761344 is the 86312-nd square number.

It is an amenable number.

7449761344 is a deficient number, since it is larger than the sum of its proper divisors (7334729153).

7449761344 is an frugal number, since it uses more digits than its factorization.

7449761344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21590 (or 10791 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The cubic root of 7449761344 is about 1953.0534099631.

Multiplying 7449761344 by its sum of digits (49), we get a square (365038305856 = 604184²).

The spelling of 7449761344 in words is "seven billion, four hundred forty-nine million, seven hundred sixty-one thousand, three hundred forty-four".