381473770 has 16 divisors (see below), whose sum is σ = 696325248. Its totient is φ = 150440080.

The previous prime is 381473767. The next prime is 381473783. The reversal of 381473770 is 77374183.

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, 267934 + ... + 269353.

It is an arithmetic number, because the mean of its divisors is an integer number (43520328).

Almost surely, 2^381473770 is an apocalyptic number.

381473770 is a deficient number, since it is larger than the sum of its proper divisors (314851478).

381473770 is a wasteful number, since it uses less digits than its factorization.

381473770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537365.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 381473770 is about 19531.3535117257. The cubic root of 381473770 is about 725.2508176970.

The spelling of 381473770 in words is "three hundred eighty-one million, four hundred seventy-three thousand, seven hundred seventy".