21073414 has 8 divisors (see below), whose sum is σ = 31760568. Its totient is φ = 10486560.

The previous prime is 21073411. The next prime is 21073417. The reversal of 21073414 is 41437012.

It is an interprime number because it is at equal distance from previous prime (21073411) and next prime (21073417).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21073411) 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, 24547 + ... + 25390.

It is an arithmetic number, because the mean of its divisors is an integer number (3970071).

Almost surely, 2^21073414 is an apocalyptic number.

21073414 is a deficient number, since it is larger than the sum of its proper divisors (10687154).

21073414 is a wasteful number, since it uses less digits than its factorization.

21073414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50150.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 21073414 is about 4590.5788306051. The cubic root of 21073414 is about 276.2135415943.

The spelling of 21073414 in words is "twenty-one million, seventy-three thousand, four hundred fourteen".