27729102 has 8 divisors (see below), whose sum is σ = 55458216. Its totient is φ = 9243032.

The previous prime is 27729101. The next prime is 27729103. The reversal of 27729102 is 20192772.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27729101) and next prime (27729103).

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

27729102 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27729102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27729101) 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, 2310753 + ... + 2310764.

It is an arithmetic number, because the mean of its divisors is an integer number (6932277).

Almost surely, 2^27729102 is an apocalyptic number.

27729102 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.

27729102 is a wasteful number, since it uses less digits than its factorization.

27729102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621522.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 27729102 is about 5265.8429524626. The cubic root of 27729102 is about 302.6764291930.

The spelling of 27729102 in words is "twenty-seven million, seven hundred twenty-nine thousand, one hundred two".