7057057 has 16 divisors (see below), whose sum is σ = 8819712. Its totient is φ = 5506560.

The previous prime is 7057051. The next prime is 7057069. The reversal of 7057057 is 7507507.

It is a cyclic number.

It is not a de Polignac number, because 7057057 - 2¹⁵ = 7024289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733 + ... + 4645.

It is an arithmetic number, because the mean of its divisors is an integer number (551232).

Almost surely, 2^7057057 is an apocalyptic number.

It is an amenable number.

7057057 is a deficient number, since it is larger than the sum of its proper divisors (1762655).

7057057 is a wasteful number, since it uses less digits than its factorization.

7057057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 8575, while the sum is 31.

The square root of 7057057 is about 2656.5121870603. The cubic root of 7057057 is about 191.8114558969.

The spelling of 7057057 in words is "seven million, fifty-seven thousand, fifty-seven".