3734638680 has 32 divisors (see below), whose sum is σ = 11203916400. Its totient is φ = 995903616.

The previous prime is 3734638679. The next prime is 3734638723. The reversal of 3734638680 is 868364373.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 15560875 + ... + 15561114.

Almost surely, 2^3734638680 is an apocalyptic number.

3734638680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3734638680 is an abundant number, since it is smaller than the sum of its proper divisors (7469277720).

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

3734638680 is a wasteful number, since it uses less digits than its factorization.

3734638680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31122003 (or 31121999 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 3734638680 is about 61111.6902073572. The cubic root of 3734638680 is about 1551.4919633700.

The spelling of 3734638680 in words is "three billion, seven hundred thirty-four million, six hundred thirty-eight thousand, six hundred eighty".