24720134 has 4 divisors (see below), whose sum is σ = 37080204. Its totient is φ = 12360066.

The previous prime is 24720133. The next prime is 24720149. The reversal of 24720134 is 43102742.

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

It is a super-2 number, since 2×24720134² = 1222170049955912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24720133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180032 + ... + 6180035.

It is an arithmetic number, because the mean of its divisors is an integer number (9270051).

Almost surely, 2^24720134 is an apocalyptic number.

24720134 is a deficient number, since it is larger than the sum of its proper divisors (12360070).

24720134 is a wasteful number, since it uses less digits than its factorization.

24720134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360069.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 24720134 is about 4971.9346335204. The cubic root of 24720134 is about 291.3065659134.

Adding to 24720134 its reverse (43102742), we get a palindrome (67822876).

The spelling of 24720134 in words is "twenty-four million, seven hundred twenty thousand, one hundred thirty-four".