381810074 has 16 divisors (see below), whose sum is σ = 616896000. Its totient is φ = 176713680.

The previous prime is 381810071. The next prime is 381810109. The reversal of 381810074 is 470018183.

It is a self number, because there is not a number n which added to its sum of digits gives 381810074.

It is not an unprimeable number, because it can be changed into a prime (381810071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132449 + ... + 135300.

It is an arithmetic number, because the mean of its divisors is an integer number (38556000).

Almost surely, 2^381810074 is an apocalyptic number.

381810074 is a deficient number, since it is larger than the sum of its proper divisors (235085926).

381810074 is a wasteful number, since it uses less digits than its factorization.

381810074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267805.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 381810074 is about 19539.9609518545. The cubic root of 381810074 is about 725.4638800624.

The spelling of 381810074 in words is "three hundred eighty-one million, eight hundred ten thousand, seventy-four".