27452943 has 24 divisors (see below), whose sum is σ = 47986848. Its totient is φ = 14764032.

The previous prime is 27452941. The next prime is 27452951. The reversal of 27452943 is 34925472.

It is not a de Polignac number, because 27452943 - 2¹ = 27452941 is a prime.

It is a super-2 number, since 2×27452943² = 1507328158722498, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 27452898 and 27452907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27452941) 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 23 ways as a sum of consecutive naturals, for example, 11746 + ... + 13887.

It is an arithmetic number, because the mean of its divisors is an integer number (1999452).

Almost surely, 2^27452943 is an apocalyptic number.

27452943 is a deficient number, since it is larger than the sum of its proper divisors (20533905).

27452943 is a wasteful number, since it uses less digits than its factorization.

27452943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25663 (or 25660 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 27452943 is about 5239.5556109273. Note that the first 3 decimals coincide. The cubic root of 27452943 is about 301.6682723614.

The spelling of 27452943 in words is "twenty-seven million, four hundred fifty-two thousand, nine hundred forty-three".