3705121746 has 96 divisors (see below), whose sum is σ = 8748717120. Its totient is φ = 1128701952.

The previous prime is 3705121741. The next prime is 3705121747. The reversal of 3705121746 is 6471215073.

It is a happy number.

3705121746 is a `hidden beast` number, since 3 + 70 + 512 + 1 + 74 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3705121746.

It is not an unprimeable number, because it can be changed into a prime (3705121741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2538765 + ... + 2540223.

It is an arithmetic number, because the mean of its divisors is an integer number (91132470).

Almost surely, 2^3705121746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3705121746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4374358560).

3705121746 is an abundant number, since it is smaller than the sum of its proper divisors (5043595374).

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

3705121746 is a wasteful number, since it uses less digits than its factorization.

3705121746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 3705121746 is about 60869.7112363777. The cubic root of 3705121746 is about 1547.3937117544.

The spelling of 3705121746 in words is "three billion, seven hundred five million, one hundred twenty-one thousand, seven hundred forty-six".