27507983 has 8 divisors (see below), whose sum is σ = 28732560. Its totient is φ = 26308800.

The previous prime is 27507973. The next prime is 27508001. The reversal of 27507983 is 38970572.

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

It is a cyclic number.

It is not a de Polignac number, because 27507983 - 2⁴ = 27507967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27507983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27507913) 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, 4118 + ... + 8483.

It is an arithmetic number, because the mean of its divisors is an integer number (3591570).

Almost surely, 2^27507983 is an apocalyptic number.

27507983 is a deficient number, since it is larger than the sum of its proper divisors (1224577).

27507983 is a wasteful number, since it uses less digits than its factorization.

27507983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 27507983 is about 5244.8053348051. The cubic root of 27507983 is about 301.8697412021.

The spelling of 27507983 in words is "twenty-seven million, five hundred seven thousand, nine hundred eighty-three".