7448107521 has 8 divisors (see below), whose sum is σ = 10453484320. Its totient is φ = 4704067872.

The previous prime is 7448107517. The next prime is 7448107561. The reversal of 7448107521 is 1257018447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7448107521 - 2² = 7448107517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7448107521.

It is not an unprimeable number, because it can be changed into a prime (7448107561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65334220 + ... + 65334333.

It is an arithmetic number, because the mean of its divisors is an integer number (1306685540).

Almost surely, 2^7448107521 is an apocalyptic number.

It is an amenable number.

7448107521 is a deficient number, since it is larger than the sum of its proper divisors (3005376799).

7448107521 is a wasteful number, since it uses less digits than its factorization.

7448107521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130668575.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 7448107521 is about 86302.4189753682. The cubic root of 7448107521 is about 1952.9088754138.

The spelling of 7448107521 in words is "seven billion, four hundred forty-eight million, one hundred seven thousand, five hundred twenty-one".