270421491 has 8 divisors (see below), whose sum is σ = 372995280. Its totient is φ = 174064352.

The previous prime is 270421477. The next prime is 270421507. The reversal of 270421491 is 194124072.

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 270421491 - 2⁹ = 270420979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (270421451) 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, 1554060 + ... + 1554233.

It is an arithmetic number, because the mean of its divisors is an integer number (46624410).

Almost surely, 2^270421491 is an apocalyptic number.

270421491 is a deficient number, since it is larger than the sum of its proper divisors (102573789).

270421491 is a wasteful number, since it uses less digits than its factorization.

270421491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108325.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 270421491 is about 16444.4972863265. The cubic root of 270421491 is about 646.6665561637. Note that the first 3 decimals are identical.

The spelling of 270421491 in words is "two hundred seventy million, four hundred twenty-one thousand, four hundred ninety-one".