27490432 has 32 divisors (see below), whose sum is σ = 55027980. Its totient is φ = 13679616.

The previous prime is 27490429. The next prime is 27490433. The reversal of 27490432 is 23409472.

It can be written as a sum of positive squares in 2 ways, for example, as 18870336 + 8620096 = 4344^2 + 2936^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 27490394 and 27490403.

It is not an unprimeable number, because it can be changed into a prime (27490433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37138 + ... + 37870.

Almost surely, 2^27490432 is an apocalyptic number.

It is an amenable number.

27490432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

27490432 is an equidigital number, since it uses as much as digits as its factorization.

27490432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 27490432 is about 5243.1318884804. The cubic root of 27490432 is about 301.8055265943.

The spelling of 27490432 in words is "twenty-seven million, four hundred ninety thousand, four hundred thirty-two".