24980978 has 16 divisors (see below), whose sum is σ = 42197760. Its totient is φ = 10988400.

The previous prime is 24980971. The next prime is 24980999. The reversal of 24980978 is 87908942.

It is not an unprimeable number, because it can be changed into a prime (24980971) 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, 17633 + ... + 18996.

It is an arithmetic number, because the mean of its divisors is an integer number (2637360).

Almost surely, 2^24980978 is an apocalyptic number.

24980978 is a deficient number, since it is larger than the sum of its proper divisors (17216782).

24980978 is a wasteful number, since it uses less digits than its factorization.

24980978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36673.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 24980978 is about 4998.0974380258. The cubic root of 24980978 is about 292.3275941169.

The spelling of 24980978 in words is "twenty-four million, nine hundred eighty thousand, nine hundred seventy-eight".