2620720675 has 12 divisors (see below), whose sum is σ = 3264016536. Its totient is φ = 2087336000.

The previous prime is 2620720667. The next prime is 2620720703. The reversal of 2620720675 is 5760270262.

It is not a de Polignac number, because 2620720675 - 2³ = 2620720667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 225226 + ... + 236575.

It is an arithmetic number, because the mean of its divisors is an integer number (272001378).

Almost surely, 2^2620720675 is an apocalyptic number.

2620720675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2620720675 is a deficient number, since it is larger than the sum of its proper divisors (643295861).

2620720675 is a wasteful number, since it uses less digits than its factorization.

2620720675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462038 (or 462033 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2620720675 is about 51192.9748598379. The cubic root of 2620720675 is about 1378.7120720220.

The spelling of 2620720675 in words is "two billion, six hundred twenty million, seven hundred twenty thousand, six hundred seventy-five".