380670740 has 24 divisors (see below), whose sum is σ = 802849320. Its totient is φ = 151612928.

The previous prime is 380670739. The next prime is 380670779. The reversal of 380670740 is 47076083.

It can be written as a sum of positive squares in 4 ways, for example, as 61905424 + 318765316 = 7868^2 + 17854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380670740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36185 + ... + 45504.

It is an arithmetic number, because the mean of its divisors is an integer number (33452055).

Almost surely, 2^380670740 is an apocalyptic number.

It is an amenable number.

380670740 is an abundant number, since it is smaller than the sum of its proper divisors (422178580).

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

380670740 is a wasteful number, since it uses less digits than its factorization.

380670740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81931 (or 81929 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 380670740 is about 19510.7852225378. The cubic root of 380670740 is about 724.7415583001.

The spelling of 380670740 in words is "three hundred eighty million, six hundred seventy thousand, seven hundred forty".