3780702720 has 120 divisors (see below), whose sum is σ = 13093716636. Its totient is φ = 1008181248.

The previous prime is 3780702649. The next prime is 3780702721. The reversal of 3780702720 is 272070873.

It can be written as a sum of positive squares in 2 ways, for example, as 3757199616 + 23503104 = 61296^2 + 4848^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3780702721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59007 + ... + 105086.

Almost surely, 2^3780702720 is an apocalyptic number.

3780702720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3780702720 is an abundant number, since it is smaller than the sum of its proper divisors (9313013916).

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

3780702720 is a wasteful number, since it uses less digits than its factorization.

3780702720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164122 (or 164103 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 3780702720 is about 61487.4192010040. The cubic root of 3780702720 is about 1557.8447555121.

The spelling of 3780702720 in words is "three billion, seven hundred eighty million, seven hundred two thousand, seven hundred twenty".