1972864475 has 12 divisors (see below), whose sum is σ = 2447774880. Its totient is φ = 1577373600.

The previous prime is 1972864471. The next prime is 1972864483. The reversal of 1972864475 is 5744682791.

It is not a de Polignac number, because 1972864475 - 2² = 1972864471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1972864471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22670 + ... + 66780.

It is an arithmetic number, because the mean of its divisors is an integer number (203981240).

Almost surely, 2^1972864475 is an apocalyptic number.

1972864475 is a deficient number, since it is larger than the sum of its proper divisors (474910405).

1972864475 is a wasteful number, since it uses less digits than its factorization.

1972864475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45910 (or 45905 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 1972864475 is about 44416.9390548246. The cubic root of 1972864475 is about 1254.1969805123.

The spelling of 1972864475 in words is "one billion, nine hundred seventy-two million, eight hundred sixty-four thousand, four hundred seventy-five".