3745979966 has 8 divisors (see below), whose sum is σ = 5626987704. Its totient is φ = 1870317400.

The previous prime is 3745979957. The next prime is 3745979989. The reversal of 3745979966 is 6699795473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3745979966² = 28064731811346722312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334540 + ... + 1337343.

It is an arithmetic number, because the mean of its divisors is an integer number (703373463).

Almost surely, 2^3745979966 is an apocalyptic number.

3745979966 is a deficient number, since it is larger than the sum of its proper divisors (1881007738).

3745979966 is a wasteful number, since it uses less digits than its factorization.

3745979966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672586.

The product of its digits is 77157360, while the sum is 65.

The square root of 3745979966 is about 61204.4113279427. The cubic root of 3745979966 is about 1553.0608909088.

The spelling of 3745979966 in words is "three billion, seven hundred forty-five million, nine hundred seventy-nine thousand, nine hundred sixty-six".