7438091 has 2 divisors, whose sum is σ = 7438092. Its totient is φ = 7438090.

The previous prime is 7438037. The next prime is 7438099. The reversal of 7438091 is 1908347.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7438091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7438099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719045 + 3719046.

It is an arithmetic number, because the mean of its divisors is an integer number (3719046).

Almost surely, 2^7438091 is an apocalyptic number.

7438091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438091 is an equidigital number, since it uses as much as digits as its factorization.

7438091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7438091 is about 2727.2863802689. The cubic root of 7438091 is about 195.2033031976.

The spelling of 7438091 in words is "seven million, four hundred thirty-eight thousand, ninety-one".