7266891 has 8 divisors (see below), whose sum is σ = 9760464. Its totient is φ = 4808960.

The previous prime is 7266877. The next prime is 7266893. The reversal of 7266891 is 1986627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7266891 - 2⁵ = 7266859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7266893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8430 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (1220058).

Almost surely, 2^7266891 is an apocalyptic number.

7266891 is a deficient number, since it is larger than the sum of its proper divisors (2493573).

7266891 is a wasteful number, since it uses less digits than its factorization.

7266891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821.

The product of its digits is 36288, while the sum is 39.

The square root of 7266891 is about 2695.7171587539. The cubic root of 7266891 is about 193.6940211502.

The spelling of 7266891 in words is "seven million, two hundred sixty-six thousand, eight hundred ninety-one".