7266889 has 4 divisors (see below), whose sum is σ = 8305024. Its totient is φ = 6228756.

The previous prime is 7266877. The next prime is 7266893. The reversal of 7266889 is 9886627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9886627 = 109 ⋅90703.

It is a cyclic number.

It is not a de Polignac number, because 7266889 - 2¹¹ = 7264841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7266829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519057 + ... + 519070.

It is an arithmetic number, because the mean of its divisors is an integer number (2076256).

Almost surely, 2^7266889 is an apocalyptic number.

It is an amenable number.

7266889 is a deficient number, since it is larger than the sum of its proper divisors (1038135).

7266889 is a wasteful number, since it uses less digits than its factorization.

7266889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038134.

The product of its digits is 290304, while the sum is 46.

The square root of 7266889 is about 2695.7167877950. The cubic root of 7266889 is about 193.6940033807.

The spelling of 7266889 in words is "seven million, two hundred sixty-six thousand, eight hundred eighty-nine".