3722751845 has 16 divisors (see below), whose sum is σ = 4518097920. Its totient is φ = 2944402944.

The previous prime is 3722751821. The next prime is 3722751847. The reversal of 3722751845 is 5481572273.

It is a cyclic number.

It is not a de Polignac number, because 3722751845 - 2⁸ = 3722751589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3722751796 and 3722751805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722751847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531476 + ... + 538434.

It is an arithmetic number, because the mean of its divisors is an integer number (282381120).

Almost surely, 2^3722751845 is an apocalyptic number.

It is an amenable number.

3722751845 is a deficient number, since it is larger than the sum of its proper divisors (795346075).

3722751845 is a wasteful number, since it uses less digits than its factorization.

3722751845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164.

The product of its digits is 470400, while the sum is 44.

The square root of 3722751845 is about 61014.3576955457. The cubic root of 3722751845 is about 1549.8441529050.

The spelling of 3722751845 in words is "three billion, seven hundred twenty-two million, seven hundred fifty-one thousand, eight hundred forty-five".