380157730 has 8 divisors (see below), whose sum is σ = 684283932. Its totient is φ = 152063088.

The previous prime is 380157707. The next prime is 380157733. The reversal of 380157730 is 37751083.

It can be written as a sum of positive squares in 2 ways, for example, as 376709281 + 3448449 = 19409^2 + 1857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (380157733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19007877 + ... + 19007896.

Almost surely, 2^380157730 is an apocalyptic number.

380157730 is a deficient number, since it is larger than the sum of its proper divisors (304126202).

380157730 is a wasteful number, since it uses less digits than its factorization.

380157730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38015780.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 380157730 is about 19497.6339590218. The cubic root of 380157730 is about 724.4158465399.

The spelling of 380157730 in words is "three hundred eighty million, one hundred fifty-seven thousand, seven hundred thirty".