27970602 has 48 divisors (see below), whose sum is σ = 62627040. Its totient is φ = 8319520.

The previous prime is 27970589. The next prime is 27970609. The reversal of 27970602 is 20607972.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (27970609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42508 + ... + 43160.

It is an arithmetic number, because the mean of its divisors is an integer number (1304730).

Almost surely, 2^27970602 is an apocalyptic number.

27970602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27970602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31313520).

27970602 is an abundant number, since it is smaller than the sum of its proper divisors (34656438).

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

27970602 is a wasteful number, since it uses less digits than its factorization.

27970602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 27970602 is about 5288.7240427158. The cubic root of 27970602 is about 303.5525865887.

The spelling of 27970602 in words is "twenty-seven million, nine hundred seventy thousand, six hundred two".