272345388 has 96 divisors (see below), whose sum is σ = 741533184. Its totient is φ = 76197888.

The previous prime is 272345377. The next prime is 272345393. The reversal of 272345388 is 883543272.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1411020 + ... + 1411212.

It is an arithmetic number, because the mean of its divisors is an integer number (7724304).

Almost surely, 2^272345388 is an apocalyptic number.

272345388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272345388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370766592).

272345388 is an abundant number, since it is smaller than the sum of its proper divisors (469187796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272345388 is a wasteful number, since it uses less digits than its factorization.

272345388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 272345388 is about 16502.8902923094. The cubic root of 272345388 is about 648.1964901007.

The spelling of 272345388 in words is "two hundred seventy-two million, three hundred forty-five thousand, three hundred eighty-eight".