24472729 has 4 divisors (see below), whose sum is σ = 24494800. Its totient is φ = 24450660.

The previous prime is 24472711. The next prime is 24472769. The reversal of 24472729 is 92727442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24472729 - 2⁷ = 24472601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24472769) 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, 9279 + ... + 11620.

It is an arithmetic number, because the mean of its divisors is an integer number (6123700).

Almost surely, 2^24472729 is an apocalyptic number.

It is an amenable number.

24472729 is a deficient number, since it is larger than the sum of its proper divisors (22071).

24472729 is a wasteful number, since it uses less digits than its factorization.

24472729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22070.

The product of its digits is 56448, while the sum is 37.

The square root of 24472729 is about 4946.9919142849. The cubic root of 24472729 is about 290.3314838155.

The spelling of 24472729 in words is "twenty-four million, four hundred seventy-two thousand, seven hundred twenty-nine".