272378989 has 4 divisors (see below), whose sum is σ = 281165440. Its totient is φ = 263592540.

The previous prime is 272378971. The next prime is 272379011. The reversal of 272378989 is 989873272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272378989 - 2⁵ = 272378957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272378389) 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 3 ways as a sum of consecutive naturals, for example, 4393179 + ... + 4393240.

It is an arithmetic number, because the mean of its divisors is an integer number (70291360).

Almost surely, 2^272378989 is an apocalyptic number.

It is an amenable number.

272378989 is a deficient number, since it is larger than the sum of its proper divisors (8786451).

272378989 is an equidigital number, since it uses as much as digits as its factorization.

272378989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786450.

The product of its digits is 3048192, while the sum is 55.

The square root of 272378989 is about 16503.9082947040. The cubic root of 272378989 is about 648.2231463928.

The spelling of 272378989 in words is "two hundred seventy-two million, three hundred seventy-eight thousand, nine hundred eighty-nine".