3742857147 has 4 divisors (see below), whose sum is σ = 4990476200. Its totient is φ = 2495238096.

The previous prime is 3742857133. The next prime is 3742857149. The reversal of 3742857147 is 7417582473.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3742857147 - 2²² = 3738662843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3742857096 and 3742857105.

It is not an unprimeable number, because it can be changed into a prime (3742857149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623809522 + ... + 623809527.

It is an arithmetic number, because the mean of its divisors is an integer number (1247619050).

Almost surely, 2^3742857147 is an apocalyptic number.

3742857147 is a deficient number, since it is larger than the sum of its proper divisors (1247619053).

3742857147 is a wasteful number, since it uses less digits than its factorization.

3742857147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247619052.

The product of its digits is 1317120, while the sum is 48.

The square root of 3742857147 is about 61178.8946206124. The cubic root of 3742857147 is about 1552.6292035681.

The spelling of 3742857147 in words is "three billion, seven hundred forty-two million, eight hundred fifty-seven thousand, one hundred forty-seven".