3670038640 has 20 divisors (see below), whose sum is σ = 8532840024. Its totient is φ = 1468015424.

The previous prime is 3670038637. The next prime is 3670038643. The reversal of 3670038640 is 468300763.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3670038637) and next prime (3670038643).

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3670038640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3670038643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22937662 + ... + 22937821.

Almost surely, 2^3670038640 is an apocalyptic number.

It is an amenable number.

3670038640 is an abundant number, since it is smaller than the sum of its proper divisors (4862801384).

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

3670038640 is a wasteful number, since it uses less digits than its factorization.

3670038640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45875496 (or 45875490 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 3670038640 is about 60580.8438369754. The cubic root of 3670038640 is about 1542.4942208953.

The spelling of 3670038640 in words is "three billion, six hundred seventy million, thirty-eight thousand, six hundred forty".