29142272 has 18 divisors (see below), whose sum is σ = 58171218. Its totient is φ = 14571008.

The previous prime is 29142271. The next prime is 29142277. The reversal of 29142272 is 27224192.

It can be written as a sum of positive squares in only one way, i.e., 20939776 + 8202496 = 4576^2 + 2864^2 .

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56663 + ... + 57174.

Almost surely, 2^29142272 is an apocalyptic number.

It is an amenable number.

29142272 is a deficient number, since it is larger than the sum of its proper divisors (29028946).

29142272 is an equidigital number, since it uses as much as digits as its factorization.

29142272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113853 (or 113839 counting only the distinct ones).

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

The square root of 29142272 is about 5398.3582689555. The cubic root of 29142272 is about 307.7332823381.

The spelling of 29142272 in words is "twenty-nine million, one hundred forty-two thousand, two hundred seventy-two".