29427469 has 4 divisors (see below), whose sum is σ = 30222844. Its totient is φ = 28632096.

The previous prime is 29427457. The next prime is 29427521. The reversal of 29427469 is 96472492.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24631369 + 4796100 = 4963^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 29427469 - 2⁷ = 29427341 is a prime.

It is a super-2 number, since 2×29427469² = 1731951863491922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29427439) 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, 397632 + ... + 397705.

It is an arithmetic number, because the mean of its divisors is an integer number (7555711).

Almost surely, 2^29427469 is an apocalyptic number.

It is an amenable number.

29427469 is a deficient number, since it is larger than the sum of its proper divisors (795375).

29427469 is an equidigital number, since it uses as much as digits as its factorization.

29427469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795374.

The product of its digits is 217728, while the sum is 43.

The square root of 29427469 is about 5424.7091166255. The cubic root of 29427469 is about 308.7338890226.

The spelling of 29427469 in words is "twenty-nine million, four hundred twenty-seven thousand, four hundred sixty-nine".