381337070 has 32 divisors (see below), whose sum is σ = 699009696. Its totient is φ = 149760000.

The previous prime is 381337057. The next prime is 381337127. The reversal of 381337070 is 70733183.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 125570 + ... + 128570.

It is an arithmetic number, because the mean of its divisors is an integer number (21844053).

Almost surely, 2^381337070 is an apocalyptic number.

381337070 is a deficient number, since it is larger than the sum of its proper divisors (317672626).

381337070 is a wasteful number, since it uses less digits than its factorization.

381337070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 381337070 is about 19527.8536967072. The cubic root of 381337070 is about 725.1641768501.

The spelling of 381337070 in words is "three hundred eighty-one million, three hundred thirty-seven thousand, seventy".