7449308127772 has 24 divisors (see below), whose sum is σ = 14899159386720. Its totient is φ = 3192444240960.

The previous prime is 7449308127757. The next prime is 7449308127839. The reversal of 7449308127772 is 2777218039447.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7449308127772.

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, 4065379 + ... + 5605882.

It is an arithmetic number, because the mean of its divisors is an integer number (620798307780).

Almost surely, 2^{7449308127772} is an apocalyptic number.

It is an amenable number.

7449308127772 is an abundant number, since it is smaller than the sum of its proper divisors (7449851258948).

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

7449308127772 is a wasteful number, since it uses less digits than its factorization.

7449308127772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698781 (or 9698779 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 61.

The spelling of 7449308127772 in words is "seven trillion, four hundred forty-nine billion, three hundred eight million, one hundred twenty-seven thousand, seven hundred seventy-two".