29742471 has 28 divisors (see below), whose sum is σ = 48660360. Its totient is φ = 18020880.

The previous prime is 29742457. The next prime is 29742481. The reversal of 29742471 is 17424792.

It is not a de Polignac number, because 29742471 - 2¹⁴ = 29726087 is a prime.

It is a super-3 number, since 3×29742471³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29742421) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6165 + ... + 9873.

It is an arithmetic number, because the mean of its divisors is an integer number (1737870).

Almost surely, 2^29742471 is an apocalyptic number.

29742471 is a deficient number, since it is larger than the sum of its proper divisors (18917889).

29742471 is an equidigital number, since it uses as much as digits as its factorization.

29742471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 3723 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 29742471 is about 5453.6658313468. The cubic root of 29742471 is about 309.8315803856.

It can be divided in two parts, 2974 and 2471, that added together give a palindrome (5445).

The spelling of 29742471 in words is "twenty-nine million, seven hundred forty-two thousand, four hundred seventy-one".