3972647475 has 36 divisors (see below), whose sum is σ = 7118843472. Its totient is φ = 2117736000.

The previous prime is 3972647467. The next prime is 3972647491. The reversal of 3972647475 is 5747462793.

3972647475 is a `hidden beast` number, since 39 + 72 + 6 + 474 + 75 = 666.

It is not a de Polignac number, because 3972647475 - 2³ = 3972647467 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 902530 + ... + 906920.

It is an arithmetic number, because the mean of its divisors is an integer number (197745652).

Almost surely, 2^3972647475 is an apocalyptic number.

3972647475 is a deficient number, since it is larger than the sum of its proper divisors (3146195997).

3972647475 is a wasteful number, since it uses less digits than its factorization.

3972647475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428 (or 8420 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The square root of 3972647475 is about 63028.9415665534. The cubic root of 3972647475 is about 1583.7744874758.

The spelling of 3972647475 in words is "three billion, nine hundred seventy-two million, six hundred forty-seven thousand, four hundred seventy-five".