270152721 has 6 divisors (see below), whose sum is σ = 390220610. Its totient is φ = 180101808.

The previous prime is 270152699. The next prime is 270152747. The reversal of 270152721 is 127251072.

It can be written as a sum of positive squares in only one way, i.e., 187142400 + 83010321 = 13680^2 + 9111^2 .

It is not a de Polignac number, because 270152721 - 2¹⁰ = 270151697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270152761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15008476 + ... + 15008493.

Almost surely, 2^270152721 is an apocalyptic number.

It is an amenable number.

270152721 is a deficient number, since it is larger than the sum of its proper divisors (120067889).

270152721 is a wasteful number, since it uses less digits than its factorization.

270152721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30016975 (or 30016972 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 270152721 is about 16436.3232202339. The cubic root of 270152721 is about 646.4522460479.

The spelling of 270152721 in words is "two hundred seventy million, one hundred fifty-two thousand, seven hundred twenty-one".