27900761 has 8 divisors (see below), whose sum is σ = 31920384. Its totient is φ = 23889600.

The previous prime is 27900739. The next prime is 27900781. The reversal of 27900761 is 16700972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27900761 - 2¹⁴ = 27884377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27900781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8561 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (3990048).

Almost surely, 2^27900761 is an apocalyptic number.

It is an amenable number.

27900761 is a deficient number, since it is larger than the sum of its proper divisors (4019623).

27900761 is a wasteful number, since it uses less digits than its factorization.

27900761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 27900761 is about 5282.1170944991. The cubic root of 27900761 is about 303.2997248384.

The spelling of 27900761 in words is "twenty-seven million, nine hundred thousand, seven hundred sixty-one".