27961701 has 8 divisors (see below), whose sum is σ = 37793280. Its totient is φ = 18385632.

The previous prime is 27961691. The next prime is 27961723. The reversal of 27961701 is 10716972.

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

It is not a de Polignac number, because 27961701 - 2⁷ = 27961573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27961741) 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 7 ways as a sum of consecutive naturals, for example, 63621 + ... + 64058.

It is an arithmetic number, because the mean of its divisors is an integer number (4724160).

Almost surely, 2^27961701 is an apocalyptic number.

It is an amenable number.

27961701 is a deficient number, since it is larger than the sum of its proper divisors (9831579).

27961701 is a wasteful number, since it uses less digits than its factorization.

27961701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127755.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 27961701 is about 5287.8824684367. The cubic root of 27961701 is about 303.5203836322.

The spelling of 27961701 in words is "twenty-seven million, nine hundred sixty-one thousand, seven hundred one".