21074114 has 8 divisors (see below), whose sum is σ = 31671228. Its totient is φ = 10517040.

The previous prime is 21074111. The next prime is 21074117. The reversal of 21074114 is 41147012.

It is an interprime number because it is at equal distance from previous prime (21074111) and next prime (21074117).

It can be written as a sum of positive squares in 2 ways, for example, as 21003889 + 70225 = 4583^2 + 265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21074111) 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, 8657 + ... + 10820.

Almost surely, 2^21074114 is an apocalyptic number.

21074114 is a deficient number, since it is larger than the sum of its proper divisors (10597114).

21074114 is a wasteful number, since it uses less digits than its factorization.

21074114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 21074114 is about 4590.6550730805. The cubic root of 21074114 is about 276.2165999081.

The spelling of 21074114 in words is "twenty-one million, seventy-four thousand, one hundred fourteen".