4742129 has 4 divisors (see below), whose sum is σ = 5419584. Its totient is φ = 4064676.

The previous prime is 4742119. The next prime is 4742131. The reversal of 4742129 is 9212474.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9212474 = 2 ⋅4606237.

It is not a de Polignac number, because 4742129 - 2⁴ = 4742113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4742119) 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, 338717 + ... + 338730.

It is an arithmetic number, because the mean of its divisors is an integer number (1354896).

Almost surely, 2^4742129 is an apocalyptic number.

It is an amenable number.

4742129 is a deficient number, since it is larger than the sum of its proper divisors (677455).

4742129 is an equidigital number, since it uses as much as digits as its factorization.

4742129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677454.

The product of its digits is 4032, while the sum is 29.

The square root of 4742129 is about 2177.6429918607. The cubic root of 4742129 is about 168.0058695039.

The spelling of 4742129 in words is "four million, seven hundred forty-two thousand, one hundred twenty-nine".