7056649 has 4 divisors (see below), whose sum is σ = 7471764. Its totient is φ = 6641536.

The previous prime is 7056631. The next prime is 7056661. The reversal of 7056649 is 9466507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9466507 = 347 ⋅27281.

It can be written as a sum of positive squares in 2 ways, for example, as 6538249 + 518400 = 2557^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 7056649 - 2⁵ = 7056617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7056689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207532 + ... + 207565.

It is an arithmetic number, because the mean of its divisors is an integer number (1867941).

Almost surely, 2^7056649 is an apocalyptic number.

It is an amenable number.

7056649 is a deficient number, since it is larger than the sum of its proper divisors (415115).

7056649 is a wasteful number, since it uses less digits than its factorization.

7056649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415114.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 7056649 is about 2656.4353935302. The cubic root of 7056649 is about 191.8077593332.

The spelling of 7056649 in words is "seven million, fifty-six thousand, six hundred forty-nine".