27040477 has 4 divisors (see below), whose sum is σ = 28463680. Its totient is φ = 25617276.

The previous prime is 27040469. The next prime is 27040493. The reversal of 27040477 is 77404072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27040477 - 2³ = 27040469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27040457) 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, 711573 + ... + 711610.

It is an arithmetic number, because the mean of its divisors is an integer number (7115920).

Almost surely, 2^27040477 is an apocalyptic number.

It is an amenable number.

27040477 is a deficient number, since it is larger than the sum of its proper divisors (1423203).

27040477 is a wasteful number, since it uses less digits than its factorization.

27040477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423202.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 27040477 is about 5200.0458651823. The cubic root of 27040477 is about 300.1498399623.

The spelling of 27040477 in words is "twenty-seven million, forty thousand, four hundred seventy-seven".