7268791 has 4 divisors (see below), whose sum is σ = 7405992. Its totient is φ = 7131592.

The previous prime is 7268783. The next prime is 7268803. The reversal of 7268791 is 1978627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1978627 = 7 ⋅282661.

It is a cyclic number.

It is not a de Polignac number, because 7268791 - 2³ = 7268783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7260791) 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, 68521 + ... + 68626.

It is an arithmetic number, because the mean of its divisors is an integer number (1851498).

Almost surely, 2^7268791 is an apocalyptic number.

7268791 is a deficient number, since it is larger than the sum of its proper divisors (137201).

7268791 is a wasteful number, since it uses less digits than its factorization.

7268791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137200.

The product of its digits is 42336, while the sum is 40.

The square root of 7268791 is about 2696.0695465807. The cubic root of 7268791 is about 193.7109007470.

The spelling of 7268791 in words is "seven million, two hundred sixty-eight thousand, seven hundred ninety-one".