7490869 has 2 divisors, whose sum is σ = 7490870. Its totient is φ = 7490868.

The previous prime is 7490851. The next prime is 7490927. The reversal of 7490869 is 9680947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4566769 + 2924100 = 2137^2 + 1710^2 .

It is an emirp because it is prime and its reverse (9680947) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7490869 is a prime.

It is a super-2 number, since 2×7490869² = 112226236750322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7490839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745434 + 3745435.

It is an arithmetic number, because the mean of its divisors is an integer number (3745435).

Almost surely, 2^7490869 is an apocalyptic number.

It is an amenable number.

7490869 is a deficient number, since it is larger than the sum of its proper divisors (1).

7490869 is an equidigital number, since it uses as much as digits as its factorization.

7490869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 7490869 is about 2736.9451949208. The cubic root of 7490869 is about 195.6639127850.

The spelling of 7490869 in words is "seven million, four hundred ninety thousand, eight hundred sixty-nine".