3731807994 has 16 divisors (see below), whose sum is σ = 7537514400. Its totient is φ = 1231619600.

The previous prime is 3731807977. The next prime is 3731807999. The reversal of 3731807994 is 4997081373.

It is not an unprimeable number, because it can be changed into a prime (3731807999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078444 + ... + 3079655.

It is an arithmetic number, because the mean of its divisors is an integer number (471094650).

Almost surely, 2^3731807994 is an apocalyptic number.

3731807994 is an abundant number, since it is smaller than the sum of its proper divisors (3805706406).

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

3731807994 is a wasteful number, since it uses less digits than its factorization.

3731807994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158205.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 3731807994 is about 61088.5258784332. The cubic root of 3731807994 is about 1551.0998775473.

The spelling of 3731807994 in words is "three billion, seven hundred thirty-one million, eight hundred seven thousand, nine hundred ninety-four".