3673736736640 has 64 divisors (see below), whose sum is σ = 8996734923120. Its totient is φ = 1433653350400.

The previous prime is 3673736736589. The next prime is 3673736736647. The reversal of 3673736736640 is 466376373763.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×3673736736640² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3673736736647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69976366 + ... + 70028845.

Almost surely, 2^{3673736736640} is an apocalyptic number.

It is an amenable number.

3673736736640 is an abundant number, since it is smaller than the sum of its proper divisors (5322998186480).

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

3673736736640 is a wasteful number, since it uses less digits than its factorization.

3673736736640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140005271 (or 140005259 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 61.

The spelling of 3673736736640 in words is "three trillion, six hundred seventy-three billion, seven hundred thirty-six million, seven hundred thirty-six thousand, six hundred forty".