380736720 has 480 divisors, whose sum is σ = 1633824000. Its totient is φ = 79792128.

The previous prime is 380736703. The next prime is 380736721. The reversal of 380736720 is 27637083.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380736721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2555206 + ... + 2555354.

It is an arithmetic number, because the mean of its divisors is an integer number (3403800).

Almost surely, 2^380736720 is an apocalyptic number.

380736720 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 380736720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816912000).

380736720 is an abundant number, since it is smaller than the sum of its proper divisors (1253087280).

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

380736720 is a wasteful number, since it uses less digits than its factorization.

380736720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 380736720 is about 19512.4760089539. The cubic root of 380736720 is about 724.7834279795.

The spelling of 380736720 in words is "three hundred eighty million, seven hundred thirty-six thousand, seven hundred twenty".