3709903680 has 840 divisors, whose sum is σ = 16144939008. Its totient is φ = 804722688.

The previous prime is 3709903669. The next prime is 3709903697. The reversal of 3709903680 is 863099073.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 29211777 + ... + 29211903.

Almost surely, 2^3709903680 is an apocalyptic number.

3709903680 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 3709903680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072469504).

3709903680 is an abundant number, since it is smaller than the sum of its proper divisors (12435035328).

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

3709903680 is a wasteful number, since it uses less digits than its factorization.

3709903680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 3709903680 is about 60908.9786484719. The cubic root of 3709903680 is about 1548.0591288033.

The spelling of 3709903680 in words is "three billion, seven hundred nine million, nine hundred three thousand, six hundred eighty".