3701994004 has 24 divisors (see below), whose sum is σ = 6656253128. Its totient is φ = 1800247680.

The previous prime is 3701993951. The next prime is 3701994007. The reversal of 3701994004 is 4004991073.

It can be written as a sum of positive squares in 4 ways, for example, as 576960400 + 3125033604 = 24020^2 + 55902^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3701994007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681202 + ... + 686614.

Almost surely, 2^3701994004 is an apocalyptic number.

It is an amenable number.

3701994004 is a deficient number, since it is larger than the sum of its proper divisors (2954259124).

3701994004 is a wasteful number, since it uses less digits than its factorization.

3701994004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075 (or 10073 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 3701994004 is about 60844.0137071840. The cubic root of 3701994004 is about 1546.9581695371.

The spelling of 3701994004 in words is "three billion, seven hundred one million, nine hundred ninety-four thousand, four".