3747474951680 has 320 divisors, whose sum is σ = 9729145027008. Its totient is φ = 1379063562240.

The previous prime is 3747474951631. The next prime is 3747474951683. The reversal of 3747474951680 is 861594747473.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3747474951683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652753610 + ... + 652759350.

Almost surely, 2^{3747474951680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3747474951680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4864572513504).

3747474951680 is an abundant number, since it is smaller than the sum of its proper divisors (5981670075328).

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

3747474951680 is a wasteful number, since it uses less digits than its factorization.

3747474951680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 65.

The spelling of 3747474951680 in words is "three trillion, seven hundred forty-seven billion, four hundred seventy-four million, nine hundred fifty-one thousand, six hundred eighty".