3749645226 has 16 divisors (see below), whose sum is σ = 7556538528. Its totient is φ = 1240340400.

The previous prime is 3749645203. The next prime is 3749645233. The reversal of 3749645226 is 6225469473.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384485 + ... + 2386056.

It is an arithmetic number, because the mean of its divisors is an integer number (472283658).

Almost surely, 2^3749645226 is an apocalyptic number.

3749645226 is an abundant number, since it is smaller than the sum of its proper divisors (3806893302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3749645226 is a wasteful number, since it uses less digits than its factorization.

3749645226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770677.

The product of its digits is 2177280, while the sum is 48.

The square root of 3749645226 is about 61234.3467834842. The cubic root of 3749645226 is about 1553.5672574182.

The spelling of 3749645226 in words is "three billion, seven hundred forty-nine million, six hundred forty-five thousand, two hundred twenty-six".