3718530812 has 12 divisors (see below), whose sum is σ = 6849925320. Its totient is φ = 1761409296.

The previous prime is 3718530797. The next prime is 3718530841. The reversal of 3718530812 is 2180358173.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24463943 + ... + 24464094.

It is an arithmetic number, because the mean of its divisors is an integer number (570827110).

Almost surely, 2^3718530812 is an apocalyptic number.

It is an amenable number.

3718530812 is a deficient number, since it is larger than the sum of its proper divisors (3131394508).

3718530812 is a wasteful number, since it uses less digits than its factorization.

3718530812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48928060 (or 48928058 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 3718530812 is about 60979.7573953849. The cubic root of 3718530812 is about 1549.2581690534.

Adding to 3718530812 its reverse (2180358173), we get a palindrome (5898888985).

The spelling of 3718530812 in words is "three billion, seven hundred eighteen million, five hundred thirty thousand, eight hundred twelve".