3712729660424 has 8 divisors (see below), whose sum is σ = 6961368113310. Its totient is φ = 1856364830208.

The previous prime is 3712729660411. The next prime is 3712729660439. The reversal of 3712729660424 is 4240669272173.

It can be written as a sum of positive squares in only one way, i.e., 3678608920900 + 34120739524 = 1917970^2 + 184718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3712729660424² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232045603769 + ... + 232045603784.

Almost surely, 2^{3712729660424} is an apocalyptic number.

It is an amenable number.

3712729660424 is a deficient number, since it is larger than the sum of its proper divisors (3248638452886).

3712729660424 is a wasteful number, since it uses less digits than its factorization.

3712729660424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464091207559 (or 464091207555 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 3712729660424 in words is "three trillion, seven hundred twelve billion, seven hundred twenty-nine million, six hundred sixty thousand, four hundred twenty-four".