7057540620 has 72 divisors (see below), whose sum is σ = 23054640336. Its totient is φ = 1737240192.

The previous prime is 7057540619. The next prime is 7057540621. The reversal of 7057540620 is 260457507.

7057540620 is a `hidden beast` number, since 7 + 0 + 57 + 540 + 62 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7057540619) and next prime (7057540621).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7057540621) 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 23 ways as a sum of consecutive naturals, for example, 1505682 + ... + 1510361.

It is an arithmetic number, because the mean of its divisors is an integer number (320203338).

Almost surely, 2^7057540620 is an apocalyptic number.

It is an amenable number.

7057540620 is an abundant number, since it is smaller than the sum of its proper divisors (15997099716).

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

7057540620 is a wasteful number, since it uses less digits than its factorization.

7057540620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016071 (or 3016066 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 7057540620 is about 84009.1698566293. The cubic root of 7057540620 is about 1918.1583740877.

The spelling of 7057540620 in words is "seven billion, fifty-seven million, five hundred forty thousand, six hundred twenty".