7057456 has 40 divisors (see below), whose sum is σ = 15898784. Its totient is φ = 2972160.

The previous prime is 7057441. The next prime is 7057459. The reversal of 7057456 is 6547507.

It is not an unprimeable number, because it can be changed into a prime (7057459) 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, 6316 + ... + 7348.

Almost surely, 2^7057456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7057456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7949392).

7057456 is an abundant number, since it is smaller than the sum of its proper divisors (8841328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7057456 is a wasteful number, since it uses less digits than its factorization.

7057456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 7057456 is about 2656.5872844686. The cubic root of 7057456 is about 191.8150707809.

It can be divided in two parts, 70574 and 56, that multiplied together give a square (3952144 = 1988²).

The spelling of 7057456 in words is "seven million, fifty-seven thousand, four hundred fifty-six".