27390330 has 96 divisors (see below), whose sum is σ = 78960960. Its totient is φ = 6531840.

The previous prime is 27390277. The next prime is 27390361. The reversal of 27390330 is 3309372.

It is a junction number, because it is equal to n+sod(n) for n = 27390294 and 27390303.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72081 + ... + 72459.

It is an arithmetic number, because the mean of its divisors is an integer number (822510).

Almost surely, 2^27390330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27390330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39480480).

27390330 is an abundant number, since it is smaller than the sum of its proper divisors (51570630).

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

27390330 is a wasteful number, since it uses less digits than its factorization.

27390330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 27390330 is about 5233.5771705402. The cubic root of 27390330 is about 301.4387555774.

The spelling of 27390330 in words is "twenty-seven million, three hundred ninety thousand, three hundred thirty".