3734645636 has 48 divisors (see below), whose sum is σ = 6953007600. Its totient is φ = 1752371712.

The previous prime is 3734645633. The next prime is 3734645641. The reversal of 3734645636 is 6365464373.

3734645636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13645636 + 3721000000 = 3694^2 + 61000^2 .

It is not an unprimeable number, because it can be changed into a prime (3734645633) 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, 667346 + ... + 672918.

It is an arithmetic number, because the mean of its divisors is an integer number (144854325).

Almost surely, 2^3734645636 is an apocalyptic number.

It is an amenable number.

3734645636 is a deficient number, since it is larger than the sum of its proper divisors (3218361964).

3734645636 is a wasteful number, since it uses less digits than its factorization.

3734645636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768 (or 5766 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 47.

The square root of 3734645636 is about 61111.7471195187. The cubic root of 3734645636 is about 1551.4929266200.

The spelling of 3734645636 in words is "three billion, seven hundred thirty-four million, six hundred forty-five thousand, six hundred thirty-six".