27490625 has 24 divisors (see below), whose sum is σ = 36247680. Its totient is φ = 20790000.

The previous prime is 27490621. The next prime is 27490627. The reversal of 27490625 is 52609472.

It is not a de Polignac number, because 27490625 - 2² = 27490621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27490621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59144 + ... + 59606.

It is an arithmetic number, because the mean of its divisors is an integer number (1510320).

Almost surely, 2^27490625 is an apocalyptic number.

27490625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27490625 is a deficient number, since it is larger than the sum of its proper divisors (8757055).

27490625 is an frugal number, since it uses more digits than its factorization.

27490625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 27490625 is about 5243.1502934781. The cubic root of 27490625 is about 301.8062328804.

The spelling of 27490625 in words is "twenty-seven million, four hundred ninety thousand, six hundred twenty-five".