272278890 has 96 divisors (see below), whose sum is σ = 787078656. Its totient is φ = 64851840.

The previous prime is 272278871. The next prime is 272278933. The reversal of 272278890 is 98872272.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 32517 + ... + 40023.

It is an arithmetic number, because the mean of its divisors is an integer number (8198736).

Almost surely, 2^272278890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272278890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393539328).

272278890 is an abundant number, since it is smaller than the sum of its proper divisors (514799766).

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

272278890 is a wasteful number, since it uses less digits than its factorization.

272278890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 272278890 is about 16500.8754313218. The cubic root of 272278890 is about 648.1437295489.

The spelling of 272278890 in words is "two hundred seventy-two million, two hundred seventy-eight thousand, eight hundred ninety".