271479749 has 8 divisors (see below), whose sum is σ = 288256320. Its totient is φ = 254792896.

The previous prime is 271479743. The next prime is 271479757. The reversal of 271479749 is 947974172.

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 271479749 - 2²⁰ = 270431173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 271479697 and 271479706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271479743) 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, 16139 + ... + 28344.

It is an arithmetic number, because the mean of its divisors is an integer number (36032040).

Almost surely, 2^271479749 is an apocalyptic number.

It is an amenable number.

271479749 is a deficient number, since it is larger than the sum of its proper divisors (16776571).

271479749 is a wasteful number, since it uses less digits than its factorization.

271479749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44859.

The product of its digits is 889056, while the sum is 50.

The square root of 271479749 is about 16476.6425281366. The cubic root of 271479749 is about 647.5090056041.

The spelling of 271479749 in words is "two hundred seventy-one million, four hundred seventy-nine thousand, seven hundred forty-nine".