1972167275 has 24 divisors (see below), whose sum is σ = 2650444944. Its totient is φ = 1447056000.

The previous prime is 1972167257. The next prime is 1972167283. The reversal of 1972167275 is 5727612791.

It is not a de Polignac number, because 1972167275 - 2⁸ = 1972167019 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 23 ways as a sum of consecutive naturals, for example, 31700 + ... + 70350.

It is an arithmetic number, because the mean of its divisors is an integer number (110435206).

Almost surely, 2^1972167275 is an apocalyptic number.

1972167275 is a deficient number, since it is larger than the sum of its proper divisors (678277669).

1972167275 is a wasteful number, since it uses less digits than its factorization.

1972167275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38831 (or 38826 counting only the distinct ones).

The product of its digits is 370440, while the sum is 47.

The square root of 1972167275 is about 44409.0900041872. The cubic root of 1972167275 is about 1254.0492208846.

The spelling of 1972167275 in words is "one billion, nine hundred seventy-two million, one hundred sixty-seven thousand, two hundred seventy-five".