27901245 has 8 divisors (see below), whose sum is σ = 44642016. Its totient is φ = 14880656.

The previous prime is 27901207. The next prime is 27901249. The reversal of 27901245 is 54210972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27901245 - 2⁸ = 27900989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27901249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930027 + ... + 930056.

It is an arithmetic number, because the mean of its divisors is an integer number (5580252).

Almost surely, 2^27901245 is an apocalyptic number.

It is an amenable number.

27901245 is a deficient number, since it is larger than the sum of its proper divisors (16740771).

27901245 is a wasteful number, since it uses less digits than its factorization.

27901245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860091.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 27901245 is about 5282.1629092636. The cubic root of 27901245 is about 303.3014786283.

The spelling of 27901245 in words is "twenty-seven million, nine hundred one thousand, two hundred forty-five".