270768561 has 24 divisors (see below), whose sum is σ = 421765344. Its totient is φ = 154062720.

The previous prime is 270768559. The next prime is 270768593. The reversal of 270768561 is 165867072.

It is not a de Polignac number, because 270768561 - 2¹ = 270768559 is a prime.

It is a super-2 number, since 2×270768561² = 146631227252021442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (270768521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31606 + ... + 39248.

It is an arithmetic number, because the mean of its divisors is an integer number (17573556).

Almost surely, 2^270768561 is an apocalyptic number.

270768561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

270768561 is a deficient number, since it is larger than the sum of its proper divisors (150996783).

270768561 is a wasteful number, since it uses less digits than its factorization.

270768561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901 (or 7894 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 270768561 is about 16455.0466726777. The cubic root of 270768561 is about 646.9430906597.

The spelling of 270768561 in words is "two hundred seventy million, seven hundred sixty-eight thousand, five hundred sixty-one".