27620741 has 4 divisors (see below), whose sum is σ = 27636000. Its totient is φ = 27605484.

The previous prime is 27620729. The next prime is 27620743. The reversal of 27620741 is 14702672.

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 a de Polignac number, because none of the positive numbers 2^k-27620741 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 (27620743) 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 3 ways as a sum of consecutive naturals, for example, 4481 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (6909000).

Almost surely, 2^27620741 is an apocalyptic number.

It is an amenable number.

27620741 is a deficient number, since it is larger than the sum of its proper divisors (15259).

27620741 is a wasteful number, since it uses less digits than its factorization.

27620741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15258.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 27620741 is about 5255.5438348472. The cubic root of 27620741 is about 302.2816437541.

The spelling of 27620741 in words is "twenty-seven million, six hundred twenty thousand, seven hundred forty-one".