29142273 has 8 divisors (see below), whose sum is σ = 39906688. Its totient is φ = 18903024.

The previous prime is 29142271. The next prime is 29142277. The reversal of 29142273 is 37224192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29142273 - 2¹ = 29142271 is a prime.

It is a Duffinian number.

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 29142273.

It is not an unprimeable number, because it can be changed into a prime (29142271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131161 + ... + 131382.

It is an arithmetic number, because the mean of its divisors is an integer number (4988336).

Almost surely, 2^29142273 is an apocalyptic number.

It is an amenable number.

29142273 is a deficient number, since it is larger than the sum of its proper divisors (10764415).

29142273 is a wasteful number, since it uses less digits than its factorization.

29142273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262583.

The product of its digits is 6048, while the sum is 30.

The square root of 29142273 is about 5398.3583615762. The cubic root of 29142273 is about 307.7332858580.

The spelling of 29142273 in words is "twenty-nine million, one hundred forty-two thousand, two hundred seventy-three".