7187072005 has 16 divisors (see below), whose sum is σ = 8744037120. Its totient is φ = 5670130752.

The previous prime is 7187071973. The next prime is 7187072071. The reversal of 7187072005 is 5002707817.

It is a cyclic number.

It is not a de Polignac number, because 7187072005 - 2⁵ = 7187071973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336042 + ... + 356788.

It is an arithmetic number, because the mean of its divisors is an integer number (546502320).

Almost surely, 2^7187072005 is an apocalyptic number.

It is an amenable number.

7187072005 is a deficient number, since it is larger than the sum of its proper divisors (1556965115).

7187072005 is a wasteful number, since it uses less digits than its factorization.

7187072005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21708.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 7187072005 is about 84776.6005746869. The cubic root of 7187072005 is about 1929.8223506920.

The spelling of 7187072005 in words is "seven billion, one hundred eighty-seven million, seventy-two thousand, five".