4147749 has 12 divisors (see below), whose sum is σ = 6076512. Its totient is φ = 2725800.

The previous prime is 4147747. The next prime is 4147753. The reversal of 4147749 is 9477414.

It is not a de Polignac number, because 4147749 - 2¹ = 4147747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4147747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2607 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (506376).

Almost surely, 2^4147749 is an apocalyptic number.

It is an amenable number.

4147749 is a deficient number, since it is larger than the sum of its proper divisors (1928763).

4147749 is a wasteful number, since it uses less digits than its factorization.

4147749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568 (or 6565 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 4147749 is about 2036.6023175868. The cubic root of 4147749 is about 160.6709971878.

The spelling of 4147749 in words is "four million, one hundred forty-seven thousand, seven hundred forty-nine".