3742851729 has 4 divisors (see below), whose sum is σ = 4990468976. Its totient is φ = 2495234484.

The previous prime is 3742851727. The next prime is 3742851751. The reversal of 3742851729 is 9271582473.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3742851729 - 2¹ = 3742851727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3742851727) 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 3 ways as a sum of consecutive naturals, for example, 623808619 + ... + 623808624.

It is an arithmetic number, because the mean of its divisors is an integer number (1247617244).

Almost surely, 2^3742851729 is an apocalyptic number.

It is an amenable number.

3742851729 is a deficient number, since it is larger than the sum of its proper divisors (1247617247).

3742851729 is a wasteful number, since it uses less digits than its factorization.

3742851729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247617246.

The product of its digits is 846720, while the sum is 48.

The square root of 3742851729 is about 61178.8503406202. The cubic root of 3742851729 is about 1552.6284543945.

The spelling of 3742851729 in words is "three billion, seven hundred forty-two million, eight hundred fifty-one thousand, seven hundred twenty-nine".