7426669 has 2 divisors, whose sum is σ = 7426670. Its totient is φ = 7426668.

The previous prime is 7426667. The next prime is 7426673. The reversal of 7426669 is 9666247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5008644 + 2418025 = 2238^2 + 1555^2 .

It is an emirp because it is prime and its reverse (9666247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7426669 - 2¹ = 7426667 is a prime.

It is a super-2 number, since 2×7426669² = 110310824871122, which contains 22 as substring.

Together with 7426667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7426667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713334 + 3713335.

It is an arithmetic number, because the mean of its divisors is an integer number (3713335).

Almost surely, 2^7426669 is an apocalyptic number.

It is an amenable number.

7426669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426669 is an equidigital number, since it uses as much as digits as its factorization.

7426669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 7426669 is about 2725.1915529005. The cubic root of 7426669 is about 195.1033333543.

The spelling of 7426669 in words is "seven million, four hundred twenty-six thousand, six hundred sixty-nine".