1874887506 has 16 divisors (see below), whose sum is σ = 4166416800. Its totient is φ = 624962484.

The previous prime is 1874887477. The next prime is 1874887523. The reversal of 1874887506 is 6057884781.

It is a happy number.

1874887506 is a `hidden beast` number, since 18 + 7 + 48 + 87 + 506 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 34720139 = 1874887506 / (1 + 8 + 7 + 4 + 8 + 8 + 7 + 5 + 0 + 6).

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, 17360016 + ... + 17360123.

It is an arithmetic number, because the mean of its divisors is an integer number (260401050).

Almost surely, 2^1874887506 is an apocalyptic number.

1874887506 is an abundant number, since it is smaller than the sum of its proper divisors (2291529294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1874887506 is a wasteful number, since it uses less digits than its factorization.

1874887506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34720150 (or 34720144 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 1874887506 is about 43299.9712009142. The cubic root of 1874887506 is about 1233.0813758666.

The spelling of 1874887506 in words is "one billion, eight hundred seventy-four million, eight hundred eighty-seven thousand, five hundred six".