21073362 has 8 divisors (see below), whose sum is σ = 42146736. Its totient is φ = 7024452.

The previous prime is 21073321. The next prime is 21073363. The reversal of 21073362 is 26337012.

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

21073362 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21073363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756108 + ... + 1756119.

It is an arithmetic number, because the mean of its divisors is an integer number (5268342).

Almost surely, 2^21073362 is an apocalyptic number.

21073362 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21073362 is a wasteful number, since it uses less digits than its factorization.

21073362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512232.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 21073362 is about 4590.5731668279. The cubic root of 21073362 is about 276.2133144025.

The spelling of 21073362 in words is "twenty-one million, seventy-three thousand, three hundred sixty-two".