3743734064640 has 160 divisors (see below), whose sum is σ = 11986878790656. Its totient is φ = 996775157760.

The previous prime is 3743734064633. The next prime is 3743734064687. The reversal of 3743734064640 is 464604373473.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4559185 + ... + 5317295.

Almost surely, 2^{3743734064640} is an apocalyptic number.

3743734064640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3743734064640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5993439395328).

3743734064640 is an abundant number, since it is smaller than the sum of its proper divisors (8243144726016).

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

3743734064640 is an equidigital number, since it uses as much as digits as its factorization.

3743734064640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758780 (or 758764 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 51.

The spelling of 3743734064640 in words is "three trillion, seven hundred forty-three billion, seven hundred thirty-four million, sixty-four thousand, six hundred forty".