1868500074 has 64 divisors (see below), whose sum is σ = 4401282816. Its totient is φ = 517653504.

The previous prime is 1868500063. The next prime is 1868500091. The reversal of 1868500074 is 4700058681.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490722 + ... + 494514.

It is an arithmetic number, because the mean of its divisors is an integer number (68770044).

Almost surely, 2^1868500074 is an apocalyptic number.

1868500074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868500074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200641408).

1868500074 is an abundant number, since it is smaller than the sum of its proper divisors (2532782742).

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

1868500074 is a wasteful number, since it uses less digits than its factorization.

1868500074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1868500074 is about 43226.1503490653. The cubic root of 1868500074 is about 1231.6794811375.

The spelling of 1868500074 in words is "one billion, eight hundred sixty-eight million, five hundred thousand, seventy-four".