27723025 has 12 divisors (see below), whose sum is σ = 37502064. Its totient is φ = 20162000.

The previous prime is 27723023. The next prime is 27723041. The reversal of 27723025 is 52032772.

It is not a de Polignac number, because 27723025 - 2¹ = 27723023 is a prime.

It is a super-2 number, since 2×27723025² = 1537132230301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27722984 and 27723002.

It is not an unprimeable number, because it can be changed into a prime (27723023) 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, 50131 + ... + 50680.

It is an arithmetic number, because the mean of its divisors is an integer number (3125172).

Almost surely, 2^27723025 is an apocalyptic number.

27723025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27723025 is a deficient number, since it is larger than the sum of its proper divisors (9779039).

27723025 is a wasteful number, since it uses less digits than its factorization.

27723025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100832 (or 100827 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 27723025 is about 5265.2659002181. The cubic root of 27723025 is about 302.6543164557.

Adding to 27723025 its reverse (52032772), we get a palindrome (79755797).

The spelling of 27723025 in words is "twenty-seven million, seven hundred twenty-three thousand, twenty-five".