7463881 has 2 divisors, whose sum is σ = 7463882. Its totient is φ = 7463880.

The previous prime is 7463879. The next prime is 7463887. The reversal of 7463881 is 1883647.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6996025 + 467856 = 2645^2 + 684^2 .

It is an emirp because it is prime and its reverse (1883647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7463881 - 2¹ = 7463879 is a prime.

It is a super-2 number, since 2×7463881² = 111419039164322, which contains 22 as substring.

Together with 7463879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7463881.

It is not a weakly prime, because it can be changed into another prime (7463887) by changing a digit.

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 as a sum of consecutive naturals, namely, 3731940 + 3731941.

It is an arithmetic number, because the mean of its divisors is an integer number (3731941).

Almost surely, 2^7463881 is an apocalyptic number.

It is an amenable number.

7463881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7463881 is an equidigital number, since it uses as much as digits as its factorization.

7463881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 7463881 is about 2732.0104318981. The cubic root of 7463881 is about 195.4286516069.

The spelling of 7463881 in words is "seven million, four hundred sixty-three thousand, eight hundred eighty-one".