27427401 has 24 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 17707200.

The previous prime is 27427399. The next prime is 27427427. The reversal of 27427401 is 10472472.

It is a happy number.

It is not a de Polignac number, because 27427401 - 2¹ = 27427399 is a prime.

It is a super-2 number, since 2×27427401² = 1504524651229602, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27427441) 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, 88036 + ... + 88346.

It is an arithmetic number, because the mean of its divisors is an integer number (1703520).

Almost surely, 2^27427401 is an apocalyptic number.

It is an amenable number.

27427401 is a deficient number, since it is larger than the sum of its proper divisors (13457079).

27427401 is a wasteful number, since it uses less digits than its factorization.

27427401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 27427401 is about 5237.1176232733. The cubic root of 27427401 is about 301.5746867438.

Adding to 27427401 its reverse (10472472), we get a palindrome (37899873).

The spelling of 27427401 in words is "twenty-seven million, four hundred twenty-seven thousand, four hundred one".