3975581374 has 4 divisors (see below), whose sum is σ = 5963372064. Its totient is φ = 1987790686.

The previous prime is 3975581327. The next prime is 3975581411. The reversal of 3975581374 is 4731855793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4731855793 = 7 ⋅675979399.

It is a super-2 number, since 2×3975581374² = 31610494522591455752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993895342 + ... + 993895345.

It is an arithmetic number, because the mean of its divisors is an integer number (1490843016).

Almost surely, 2^3975581374 is an apocalyptic number.

3975581374 is a deficient number, since it is larger than the sum of its proper divisors (1987790690).

3975581374 is a wasteful number, since it uses less digits than its factorization.

3975581374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987790689.

The product of its digits is 3175200, while the sum is 52.

The square root of 3975581374 is about 63052.2114917471. The cubic root of 3975581374 is about 1584.1642771562.

The spelling of 3975581374 in words is "three billion, nine hundred seventy-five million, five hundred eighty-one thousand, three hundred seventy-four".