270730981 has 4 divisors (see below), whose sum is σ = 284980000. Its totient is φ = 256481964.

The previous prime is 270730963. The next prime is 270731003. The reversal of 270730981 is 189037072.

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 270730981 - 2⁵ = 270730949 is a prime.

It is a super-2 number, since 2×270730981² = 146590528146444722, which contains 22 as substring.

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 270730981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270730381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7124481 + ... + 7124518.

It is an arithmetic number, because the mean of its divisors is an integer number (71245000).

Almost surely, 2^270730981 is an apocalyptic number.

It is an amenable number.

270730981 is a deficient number, since it is larger than the sum of its proper divisors (14249019).

270730981 is a wasteful number, since it uses less digits than its factorization.

270730981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14249018.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 270730981 is about 16453.9047341353. The cubic root of 270730981 is about 646.9131595061.

The spelling of 270730981 in words is "two hundred seventy million, seven hundred thirty thousand, nine hundred eighty-one".