24472391 has 4 divisors (see below), whose sum is σ = 25536432. Its totient is φ = 23408352.

The previous prime is 24472387. The next prime is 24472397. The reversal of 24472391 is 19327442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19327442 = 2 ⋅9663721.

It is a cyclic number.

It is not a de Polignac number, because 24472391 - 2² = 24472387 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 (24472397) 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, 531986 + ... + 532031.

It is an arithmetic number, because the mean of its divisors is an integer number (6384108).

Almost surely, 2^24472391 is an apocalyptic number.

24472391 is a deficient number, since it is larger than the sum of its proper divisors (1064041).

24472391 is a wasteful number, since it uses less digits than its factorization.

24472391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064040.

The product of its digits is 12096, while the sum is 32.

The square root of 24472391 is about 4946.9577519926. The cubic root of 24472391 is about 290.3301471918.

The spelling of 24472391 in words is "twenty-four million, four hundred seventy-two thousand, three hundred ninety-one".