380207720 has 64 divisors (see below), whose sum is σ = 926925120. Its totient is φ = 139797504.

The previous prime is 380207683. The next prime is 380207747. The reversal of 380207720 is 27702083.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 22739 + ... + 35741.

It is an arithmetic number, because the mean of its divisors is an integer number (14483205).

Almost surely, 2^380207720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380207720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463462560).

380207720 is an abundant number, since it is smaller than the sum of its proper divisors (546717400).

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

380207720 is a wasteful number, since it uses less digits than its factorization.

380207720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13074 (or 13070 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 380207720 is about 19498.9158672989. The cubic root of 380207720 is about 724.4475982385.

The spelling of 380207720 in words is "three hundred eighty million, two hundred seven thousand, seven hundred twenty".