270721849 has 4 divisors (see below), whose sum is σ = 272788560. Its totient is φ = 268655140.

The previous prime is 270721817. The next prime is 270721879. The reversal of 270721849 is 948127072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 270721849 - 2⁵ = 270721817 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270721879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033159 + ... + 1033420.

It is an arithmetic number, because the mean of its divisors is an integer number (68197140).

Almost surely, 2^270721849 is an apocalyptic number.

It is an amenable number.

270721849 is a deficient number, since it is larger than the sum of its proper divisors (2066711).

270721849 is a wasteful number, since it uses less digits than its factorization.

270721849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066710.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 270721849 is about 16453.6272292768. The cubic root of 270721849 is about 646.9058857697.

The spelling of 270721849 in words is "two hundred seventy million, seven hundred twenty-one thousand, eight hundred forty-nine".