27020064 has 48 divisors (see below), whose sum is σ = 72854208. Its totient is φ = 8762112.

The previous prime is 27020023. The next prime is 27020111. The reversal of 27020064 is 46002072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 27020064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (1517796).

Almost surely, 2^27020064 is an apocalyptic number.

27020064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27020064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36427104).

27020064 is an abundant number, since it is smaller than the sum of its proper divisors (45834144).

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

27020064 is a wasteful number, since it uses less digits than its factorization.

27020064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657 (or 7649 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 27020064 is about 5198.0827234664. The cubic root of 27020064 is about 300.0742927116.

The spelling of 27020064 in words is "twenty-seven million, twenty thousand, sixty-four".