27672030 has 80 divisors (see below), whose sum is σ = 75271680. Its totient is φ = 7293888.

The previous prime is 27671993. The next prime is 27672031. The reversal of 27672030 is 3027672.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 27671985 and 27672003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27672031) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102736 + ... + 103004.

It is an arithmetic number, because the mean of its divisors is an integer number (940896).

Almost surely, 2^27672030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27672030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37635840).

27672030 is an abundant number, since it is smaller than the sum of its proper divisors (47599650).

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

27672030 is a wasteful number, since it uses less digits than its factorization.

27672030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 27672030 is about 5260.4210858067. The cubic root of 27672030 is about 302.4686304925.

The spelling of 27672030 in words is "twenty-seven million, six hundred seventy-two thousand, thirty".