3708727680 has 384 divisors, whose sum is σ = 13953600000. Its totient is φ = 835301376.

The previous prime is 3708727663. The next prime is 3708727709. The reversal of 3708727680 is 867278073.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×3708727680² = 27509322008796364800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7432071 + ... + 7432569.

It is an arithmetic number, because the mean of its divisors is an integer number (36337500).

Almost surely, 2^3708727680 is an apocalyptic number.

3708727680 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 3708727680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6976800000).

3708727680 is an abundant number, since it is smaller than the sum of its proper divisors (10244872320).

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

3708727680 is a wasteful number, since it uses less digits than its factorization.

3708727680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 3708727680 is about 60899.3241341807. The cubic root of 3708727680 is about 1547.8955387582.

The spelling of 3708727680 in words is "three billion, seven hundred eight million, seven hundred twenty-seven thousand, six hundred eighty".