7448161 has 8 divisors (see below), whose sum is σ = 8652224. Its totient is φ = 6279120.

The previous prime is 7448149. The next prime is 7448167. The reversal of 7448161 is 1618447.

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

It is a cyclic number.

It is not a de Polignac number, because 7448161 - 2²¹ = 5351009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7448167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8295 + ... + 9148.

It is an arithmetic number, because the mean of its divisors is an integer number (1081528).

Almost surely, 2^7448161 is an apocalyptic number.

It is an amenable number.

7448161 is a deficient number, since it is larger than the sum of its proper divisors (1204063).

7448161 is a wasteful number, since it uses less digits than its factorization.

7448161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511.

The product of its digits is 5376, while the sum is 31.

The square root of 7448161 is about 2729.1319132647. The cubic root of 7448161 is about 195.2913549503.

The spelling of 7448161 in words is "seven million, four hundred forty-eight thousand, one hundred sixty-one".