380071749 has 16 divisors (see below), whose sum is σ = 523796480. Its totient is φ = 244885680.

The previous prime is 380071721. The next prime is 380071777. The reversal of 380071749 is 947170083.

It is an interprime number because it is at equal distance from previous prime (380071721) and next prime (380071777).

It is not a de Polignac number, because 380071749 - 2⁷ = 380071621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380070749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83244 + ... + 87690.

It is an arithmetic number, because the mean of its divisors is an integer number (32737280).

Almost surely, 2^380071749 is an apocalyptic number.

It is an amenable number.

380071749 is a deficient number, since it is larger than the sum of its proper divisors (143724731).

380071749 is a wasteful number, since it uses less digits than its factorization.

380071749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 380071749 is about 19495.4289257764. The cubic root of 380071749 is about 724.3612282501.

The spelling of 380071749 in words is "three hundred eighty million, seventy-one thousand, seven hundred forty-nine".