27146980 has 36 divisors (see below), whose sum is σ = 66318588. Its totient is φ = 9307200.

The previous prime is 27146957. The next prime is 27146981. The reversal of 27146980 is 8964172.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 16597476 = 3248^2 + 4074^2 .

It is not an unprimeable number, because it can be changed into a prime (27146981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12871 + ... + 14830.

It is an arithmetic number, because the mean of its divisors is an integer number (1842183).

Almost surely, 2^27146980 is an apocalyptic number.

27146980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27146980 is an abundant number, since it is smaller than the sum of its proper divisors (39171608).

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

27146980 is a wasteful number, since it uses less digits than its factorization.

27146980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27724 (or 27715 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 27146980 is about 5210.2763842238. The cubic root of 27146980 is about 300.5433855499.

The spelling of 27146980 in words is "twenty-seven million, one hundred forty-six thousand, nine hundred eighty".