7251920075 has 6 divisors (see below), whose sum is σ = 8992380924. Its totient is φ = 5801536040.

The previous prime is 7251920047. The next prime is 7251920087. The reversal of 7251920075 is 5700291527.

It is not a de Polignac number, because 7251920075 - 2²⁰ = 7250871499 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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145038377 + ... + 145038426.

It is an arithmetic number, because the mean of its divisors is an integer number (1498730154).

Almost surely, 2^7251920075 is an apocalyptic number.

7251920075 is a deficient number, since it is larger than the sum of its proper divisors (1740460849).

7251920075 is a wasteful number, since it uses less digits than its factorization.

7251920075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290076813 (or 290076808 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 7251920075 is about 85158.2061518442. The cubic root of 7251920075 is about 1935.6091643929.

The spelling of 7251920075 in words is "seven billion, two hundred fifty-one million, nine hundred twenty thousand, seventy-five".