7057540072 has 32 divisors (see below), whose sum is σ = 15285049920. Its totient is φ = 3019267840.

The previous prime is 7057540051. The next prime is 7057540097. The reversal of 7057540072 is 2700457507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357308 + ... + 2360299.

It is an arithmetic number, because the mean of its divisors is an integer number (477657810).

Almost surely, 2^7057540072 is an apocalyptic number.

It is an amenable number.

7057540072 is an abundant number, since it is smaller than the sum of its proper divisors (8227509848).

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

7057540072 is a wasteful number, since it uses less digits than its factorization.

7057540072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717641 (or 4717637 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 7057540072 is about 84009.1665950806. The cubic root of 7057540072 is about 1918.1583244410.

Adding to 7057540072 its reverse (2700457507), we get a palindrome (9757997579).

The spelling of 7057540072 in words is "seven billion, fifty-seven million, five hundred forty thousand, seventy-two".