6720073615 has 16 divisors (see below), whose sum is σ = 8494416000. Its totient is φ = 5089567392.

The previous prime is 6720073609. The next prime is 6720073637. The reversal of 6720073615 is 5163700276.

It is not a de Polignac number, because 6720073615 - 2¹³ = 6720065423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117036 + ... + 164734.

It is an arithmetic number, because the mean of its divisors is an integer number (530901000).

Almost surely, 2^6720073615 is an apocalyptic number.

6720073615 is a deficient number, since it is larger than the sum of its proper divisors (1774342385).

6720073615 is a wasteful number, since it uses less digits than its factorization.

6720073615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49206.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 6720073615 is about 81976.0551319713. The cubic root of 6720073615 is about 1887.0844828364.

The spelling of 6720073615 in words is "six billion, seven hundred twenty million, seventy-three thousand, six hundred fifteen".