272020987 has 4 divisors (see below), whose sum is σ = 310881136. Its totient is φ = 233160840.

The previous prime is 272020979. The next prime is 272020993. The reversal of 272020987 is 789020272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272020987 - 2³ = 272020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272020997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19430064 + ... + 19430077.

It is an arithmetic number, because the mean of its divisors is an integer number (77720284).

Almost surely, 2^272020987 is an apocalyptic number.

272020987 is a deficient number, since it is larger than the sum of its proper divisors (38860149).

272020987 is an equidigital number, since it uses as much as digits as its factorization.

272020987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38860148.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 272020987 is about 16493.0587520933. The cubic root of 272020987 is about 647.9390239771.

The spelling of 272020987 in words is "two hundred seventy-two million, twenty thousand, nine hundred eighty-seven".