42471429 has 32 divisors (see below), whose sum is σ = 76038144. Its totient is φ = 20364480.

The previous prime is 42471413. The next prime is 42471431. The reversal of 42471429 is 92417424.

It is not a de Polignac number, because 42471429 - 2⁴ = 42471413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42471429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4069 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (2376192).

Almost surely, 2^42471429 is an apocalyptic number.

It is an amenable number.

42471429 is a deficient number, since it is larger than the sum of its proper divisors (33566715).

42471429 is a wasteful number, since it uses less digits than its factorization.

42471429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14177.

The product of its digits is 16128, while the sum is 33.

The square root of 42471429 is about 6517.0107411297. The cubic root of 42471429 is about 348.8983839484.

The spelling of 42471429 in words is "forty-two million, four hundred seventy-one thousand, four hundred twenty-nine".