24974947 has 4 divisors (see below), whose sum is σ = 25140496. Its totient is φ = 24809400.

The previous prime is 24974927. The next prime is 24974951. The reversal of 24974947 is 74947942.

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

It is a cyclic number.

It is not a de Polignac number, because 24974947 - 2¹⁹ = 24450659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24974897 and 24974906.

It is not an unprimeable number, because it can be changed into a prime (24974927) 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, 82548 + ... + 82849.

It is an arithmetic number, because the mean of its divisors is an integer number (6285124).

Almost surely, 2^24974947 is an apocalyptic number.

24974947 is a deficient number, since it is larger than the sum of its proper divisors (165549).

24974947 is a wasteful number, since it uses less digits than its factorization.

24974947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165548.

The product of its digits is 508032, while the sum is 46.

The square root of 24974947 is about 4997.4940720325. The cubic root of 24974947 is about 292.3040672876.

It can be divided in two parts, 24974 and 947, that added together give a square (25921 = 161²).

The spelling of 24974947 in words is "twenty-four million, nine hundred seventy-four thousand, nine hundred forty-seven".