3747568664 has 64 divisors (see below), whose sum is σ = 8820748800. Its totient is φ = 1455404544.

The previous prime is 3747568663. The next prime is 3747568691. The reversal of 3747568664 is 4668657473.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3747568663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52097 + ... + 101040.

It is an arithmetic number, because the mean of its divisors is an integer number (137824200).

Almost surely, 2^3747568664 is an apocalyptic number.

It is an amenable number.

3747568664 is an abundant number, since it is smaller than the sum of its proper divisors (5073180136).

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

3747568664 is a wasteful number, since it uses less digits than its factorization.

3747568664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153192 (or 153188 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 56.

The square root of 3747568664 is about 61217.3885754693. The cubic root of 3747568664 is about 1553.2804147743.

The spelling of 3747568664 in words is "three billion, seven hundred forty-seven million, five hundred sixty-eight thousand, six hundred sixty-four".