7270091 has 2 divisors, whose sum is σ = 7270092. Its totient is φ = 7270090.

The previous prime is 7270061. The next prime is 7270099. The reversal of 7270091 is 1900727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7270091 - 2¹⁴ = 7253707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7270091.

It is not a weakly prime, because it can be changed into another prime (7270099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3635045 + 3635046.

It is an arithmetic number, because the mean of its divisors is an integer number (3635046).

Almost surely, 2^7270091 is an apocalyptic number.

7270091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7270091 is an equidigital number, since it uses as much as digits as its factorization.

7270091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 7270091 is about 2696.3106275057. The cubic root of 7270091 is about 193.7224482501.

The spelling of 7270091 in words is "seven million, two hundred seventy thousand, ninety-one".