4729147 has 4 divisors (see below), whose sum is σ = 4806736. Its totient is φ = 4651560.

The previous prime is 4729139. The next prime is 4729189. The reversal of 4729147 is 7419274.

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

It is a cyclic number.

It is not a de Polignac number, because 4729147 - 2³ = 4729139 is a prime.

It is a Duffinian number.

4729147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4729447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38703 + ... + 38824.

It is an arithmetic number, because the mean of its divisors is an integer number (1201684).

Almost surely, 2^4729147 is an apocalyptic number.

4729147 is a deficient number, since it is larger than the sum of its proper divisors (77589).

4729147 is an equidigital number, since it uses as much as digits as its factorization.

4729147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77588.

The product of its digits is 14112, while the sum is 34.

The square root of 4729147 is about 2174.6602033421. The cubic root of 4729147 is about 167.8524190526.

The spelling of 4729147 in words is "four million, seven hundred twenty-nine thousand, one hundred forty-seven".