21677102 has 8 divisors (see below), whose sum is σ = 32545800. Its totient is φ = 10828504.

The previous prime is 21677093. The next prime is 21677137. The reversal of 21677102 is 20177612.

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

It is a super-2 number, since 2×21677102² = 939793502236808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1952 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (4068225).

Almost surely, 2^21677102 is an apocalyptic number.

21677102 is a deficient number, since it is larger than the sum of its proper divisors (10868698).

21677102 is a wasteful number, since it uses less digits than its factorization.

21677102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 21677102 is about 4655.8674809320. The cubic root of 21677102 is about 278.8263029869.

The spelling of 21677102 in words is "twenty-one million, six hundred seventy-seven thousand, one hundred two".