270642921 has 8 divisors (see below), whose sum is σ = 361460064. Its totient is φ = 180127200.

The previous prime is 270642919. The next prime is 270642929. The reversal of 270642921 is 129246072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 270642921 - 2¹ = 270642919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (270642929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73251 + ... + 76856.

It is an arithmetic number, because the mean of its divisors is an integer number (45182508).

Almost surely, 2^270642921 is an apocalyptic number.

It is an amenable number.

270642921 is a deficient number, since it is larger than the sum of its proper divisors (90817143).

270642921 is a wasteful number, since it uses less digits than its factorization.

270642921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150711.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 270642921 is about 16451.2285559468. The cubic root of 270642921 is about 646.8430119495.

Adding to 270642921 its reverse (129246072), we get a palindrome (399888993).

The spelling of 270642921 in words is "two hundred seventy million, six hundred forty-two thousand, nine hundred twenty-one".