27020628 has 36 divisors (see below), whose sum is σ = 70834400. Its totient is φ = 9006552.

The previous prime is 27020573. The next prime is 27020639. The reversal of 27020628 is 82602072.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×27020628² = 1460228675028768, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12928 + ... + 14871.

Almost surely, 2^27020628 is an apocalyptic number.

It is an amenable number.

27020628 is an abundant number, since it is smaller than the sum of its proper divisors (43813772).

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

27020628 is a wasteful number, since it uses less digits than its factorization.

27020628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27818 (or 27804 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 27020628 is about 5198.1369739552. The cubic root of 27020628 is about 300.0763805517.

The spelling of 27020628 in words is "twenty-seven million, twenty thousand, six hundred twenty-eight".