27252840 has 64 divisors (see below), whose sum is σ = 86068800. Its totient is φ = 6884352.

The previous prime is 27252817. The next prime is 27252877. The reversal of 27252840 is 4825272.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 27252798 and 27252807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697 + ... + 8256.

It is an arithmetic number, because the mean of its divisors is an integer number (1344825).

Almost surely, 2^27252840 is an apocalyptic number.

27252840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27252840 is an abundant number, since it is smaller than the sum of its proper divisors (58815960).

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

27252840 is a wasteful number, since it uses less digits than its factorization.

27252840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986 (or 11982 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 27252840 is about 5220.4252700331. The cubic root of 27252840 is about 300.9335364635.

It can be divided in two parts, 2725 and 2840, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 27252840 in words is "twenty-seven million, two hundred fifty-two thousand, eight hundred forty".