29724245 has 8 divisors (see below), whose sum is σ = 37767384. Its totient is φ = 22380544.

The previous prime is 29724241. The next prime is 29724269. The reversal of 29724245 is 54242792.

It can be written as a sum of positive squares in 4 ways, for example, as 1697809 + 28026436 = 1303^2 + 5294^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29724245 - 2² = 29724241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29724241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174764 + ... + 174933.

It is an arithmetic number, because the mean of its divisors is an integer number (4720923).

Almost surely, 2^29724245 is an apocalyptic number.

It is an amenable number.

29724245 is a deficient number, since it is larger than the sum of its proper divisors (8043139).

29724245 is a wasteful number, since it uses less digits than its factorization.

29724245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349719.

The product of its digits is 40320, while the sum is 35.

The square root of 29724245 is about 5451.9945891389. The cubic root of 29724245 is about 309.7682798363.

It can be divided in two parts, 297 and 24245, that added together give a palindrome (24542).

The spelling of 29724245 in words is "twenty-nine million, seven hundred twenty-four thousand, two hundred forty-five".