3937742494 has 32 divisors (see below), whose sum is σ = 6851275200. Its totient is φ = 1662446592.

The previous prime is 3937742491. The next prime is 3937742507. The reversal of 3937742494 is 4942477393.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937742491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070242 + ... + 1073914.

It is an arithmetic number, because the mean of its divisors is an integer number (214102350).

Almost surely, 2^3937742494 is an apocalyptic number.

3937742494 is a deficient number, since it is larger than the sum of its proper divisors (2913532706).

3937742494 is a wasteful number, since it uses less digits than its factorization.

3937742494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804.

The product of its digits is 4572288, while the sum is 52.

The square root of 3937742494 is about 62751.4341987496. The cubic root of 3937742494 is about 1579.1223152419.

The spelling of 3937742494 in words is "three billion, nine hundred thirty-seven million, seven hundred forty-two thousand, four hundred ninety-four".