7056257845 has 48 divisors (see below), whose sum is σ = 10577692800. Its totient is φ = 4424239872.

The previous prime is 7056257843. The next prime is 7056257861. The reversal of 7056257845 is 5487526507.

It is a happy number.

It is not a de Polignac number, because 7056257845 - 2¹ = 7056257843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056257843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 627331 + ... + 638479.

It is an arithmetic number, because the mean of its divisors is an integer number (220368600).

Almost surely, 2^7056257845 is an apocalyptic number.

It is an amenable number.

7056257845 is a deficient number, since it is larger than the sum of its proper divisors (3521434955).

7056257845 is a wasteful number, since it uses less digits than its factorization.

7056257845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294 (or 11281 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The square root of 7056257845 is about 84001.5347776456. The cubic root of 7056257845 is about 1918.0421525485.

The spelling of 7056257845 in words is "seven billion, fifty-six million, two hundred fifty-seven thousand, eight hundred forty-five".