27245790 has 192 divisors, whose sum is σ = 87272640. Its totient is φ = 5806080.

The previous prime is 27245737. The next prime is 27245809. The reversal of 27245790 is 9754272.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 373194 + ... + 373266.

It is an arithmetic number, because the mean of its divisors is an integer number (454545).

Almost surely, 2^27245790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27245790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43636320).

27245790 is an abundant number, since it is smaller than the sum of its proper divisors (60026850).

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

27245790 is a wasteful number, since it uses less digits than its factorization.

27245790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 27245790 is about 5219.7499940131. The cubic root of 27245790 is about 300.9075848635.

The spelling of 27245790 in words is "twenty-seven million, two hundred forty-five thousand, seven hundred ninety".