24749428 has 24 divisors (see below), whose sum is σ = 47414304. Its totient is φ = 11210400.

The previous prime is 24749423. The next prime is 24749429. The reversal of 24749428 is 82494742.

It is a super-2 number, since 2×24749428² = 1225068372654368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24749423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14458 + ... + 16078.

It is an arithmetic number, because the mean of its divisors is an integer number (1975596).

Almost surely, 2^24749428 is an apocalyptic number.

It is an amenable number.

24749428 is a deficient number, since it is larger than the sum of its proper divisors (22664876).

24749428 is a wasteful number, since it uses less digits than its factorization.

24749428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 24749428 is about 4974.8796970379. The cubic root of 24749428 is about 291.4215891024.

The spelling of 24749428 in words is "twenty-four million, seven hundred forty-nine thousand, four hundred twenty-eight".