27949497 has 8 divisors (see below), whose sum is σ = 37969344. Its totient is φ = 18281328.

The previous prime is 27949487. The next prime is 27949499. The reversal of 27949497 is 79494972.

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

It is not a de Polignac number, because 27949497 - 2⁶ = 27949433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27949499) 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, 87733 + ... + 88050.

It is an arithmetic number, because the mean of its divisors is an integer number (4746168).

Almost surely, 2^27949497 is an apocalyptic number.

It is an amenable number.

27949497 is a deficient number, since it is larger than the sum of its proper divisors (10019847).

27949497 is a wasteful number, since it uses less digits than its factorization.

27949497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175839.

The product of its digits is 1143072, while the sum is 51.

The square root of 27949497 is about 5286.7283834145. The cubic root of 27949497 is about 303.4762196310.

The spelling of 27949497 in words is "twenty-seven million, nine hundred forty-nine thousand, four hundred ninety-seven".