7494881 has 2 divisors, whose sum is σ = 7494882. Its totient is φ = 7494880.

The previous prime is 7494871. The next prime is 7494917. The reversal of 7494881 is 1884947.

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., 7182400 + 312481 = 2680^2 + 559^2 .

It is an emirp because it is prime and its reverse (1884947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7494881 - 2¹⁸ = 7232737 is a prime.

It is a super-2 number, since 2×7494881² = 112346482408322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7494871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3747440 + 3747441.

It is an arithmetic number, because the mean of its divisors is an integer number (3747441).

Almost surely, 2^7494881 is an apocalyptic number.

It is an amenable number.

7494881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7494881 is an equidigital number, since it uses as much as digits as its factorization.

7494881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 7494881 is about 2737.6780307406. The cubic root of 7494881 is about 195.6988381283.

The spelling of 7494881 in words is "seven million, four hundred ninety-four thousand, eight hundred eighty-one".