7057091 has 6 divisors (see below), whose sum is σ = 7496940. Its totient is φ = 6641696.

The previous prime is 7057081. The next prime is 7057103. The reversal of 7057091 is 1907507.

It is not a de Polignac number, because 7057091 - 2⁶ = 7057027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7057051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11921 + ... + 12498.

It is an arithmetic number, because the mean of its divisors is an integer number (1249490).

Almost surely, 2^7057091 is an apocalyptic number.

7057091 is a deficient number, since it is larger than the sum of its proper divisors (439849).

7057091 is a wasteful number, since it uses less digits than its factorization.

7057091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24453 (or 24436 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 7057091 is about 2656.5185864210. The cubic root of 7057091 is about 191.8117639374.

The spelling of 7057091 in words is "seven million, fifty-seven thousand, ninety-one".