27146840 has 32 divisors (see below), whose sum is σ = 69806880. Its totient is φ = 9307392.

The previous prime is 27146837. The next prime is 27146843. The reversal of 27146840 is 4864172.

It is an interprime number because it is at equal distance from previous prime (27146837) and next prime (27146843).

It is a junction number, because it is equal to n+sod(n) for n = 27146797 and 27146806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27146843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48197 + ... + 48756.

It is an arithmetic number, because the mean of its divisors is an integer number (2181465).

Almost surely, 2^27146840 is an apocalyptic number.

27146840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27146840 is an abundant number, since it is smaller than the sum of its proper divisors (42660040).

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

27146840 is a wasteful number, since it uses less digits than its factorization.

27146840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96971 (or 96967 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 27146840 is about 5210.2629492186. The cubic root of 27146840 is about 300.5428689038.

The spelling of 27146840 in words is "twenty-seven million, one hundred forty-six thousand, eight hundred forty".