7057289 has 8 divisors (see below), whose sum is σ = 7399392. Its totient is φ = 6723360.

The previous prime is 7057283. The next prime is 7057291. The reversal of 7057289 is 9827507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7057289 - 2⁸ = 7057033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7057283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239 + ... + 3764.

It is an arithmetic number, because the mean of its divisors is an integer number (924924).

Almost surely, 2^7057289 is an apocalyptic number.

It is an amenable number.

7057289 is a deficient number, since it is larger than the sum of its proper divisors (342103).

7057289 is a wasteful number, since it uses less digits than its factorization.

7057289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7057289 is about 2656.5558529796. Note that the first 3 decimals coincide. The cubic root of 7057289 is about 191.8135578009.

The spelling of 7057289 in words is "seven million, fifty-seven thousand, two hundred eighty-nine".