7057491 has 32 divisors (see below), whose sum is σ = 11440128. Its totient is φ = 3784320.

The previous prime is 7057489. The next prime is 7057507. The reversal of 7057491 is 1947507.

7057491 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7057491 - 2¹ = 7057489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7057441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23941 + ... + 24233.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 2^7057491 is an apocalyptic number.

7057491 is a deficient number, since it is larger than the sum of its proper divisors (4382637).

7057491 is a wasteful number, since it uses less digits than its factorization.

7057491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 7057491 is about 2656.5938718592. The cubic root of 7057491 is about 191.8153878695.

The spelling of 7057491 in words is "seven million, fifty-seven thousand, four hundred ninety-one".