7469881 has 2 divisors, whose sum is σ = 7469882. Its totient is φ = 7469880.

The previous prime is 7469857. The next prime is 7469887. The reversal of 7469881 is 1889647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 3097600 = 2091^2 + 1760^2 .

It is an emirp because it is prime and its reverse (1889647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7469881 - 2⁷ = 7469753 is a prime.

It is a super-2 number, since 2×7469881² = 111598244308322, which contains 22 as substring.

7469881 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7469887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3734940 + 3734941.

It is an arithmetic number, because the mean of its divisors is an integer number (3734941).

Almost surely, 2^7469881 is an apocalyptic number.

It is an amenable number.

7469881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7469881 is an equidigital number, since it uses as much as digits as its factorization.

7469881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 7469881 is about 2733.1083037450. The cubic root of 7469881 is about 195.4810040783.

The spelling of 7469881 in words is "seven million, four hundred sixty-nine thousand, eight hundred eighty-one".