3945273274 has 16 divisors (see below), whose sum is σ = 6132637800. Its totient is φ = 1901297664.

The previous prime is 3945273251. The next prime is 3945273289. The reversal of 3945273274 is 4723725493.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3863244025 + 82029249 = 62155^2 + 9057^2 .

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 7 ways as a sum of consecutive naturals, for example, 25479 + ... + 92410.

Almost surely, 2^3945273274 is an apocalyptic number.

3945273274 is a deficient number, since it is larger than the sum of its proper divisors (2187364526).

3945273274 is a wasteful number, since it uses less digits than its factorization.

3945273274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118497.

The product of its digits is 1270080, while the sum is 46.

The square root of 3945273274 is about 62811.4103805988. The cubic root of 3945273274 is about 1580.1283442717.

The spelling of 3945273274 in words is "three billion, nine hundred forty-five million, two hundred seventy-three thousand, two hundred seventy-four".