272991000 has 64 divisors (see below), whose sum is σ = 851741280. Its totient is φ = 72796800.

The previous prime is 272990957. The next prime is 272991001. The reversal of 272991000 is 199272.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272991001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42499 + ... + 48498.

Almost surely, 2^272991000 is an apocalyptic number.

272991000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272991000 is an abundant number, since it is smaller than the sum of its proper divisors (578750280).

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

272991000 is a wasteful number, since it uses less digits than its factorization.

272991000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91021 (or 91007 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 272991000 is about 16522.4392872239. The cubic root of 272991000 is about 648.7082828525.

The spelling of 272991000 in words is "two hundred seventy-two million, nine hundred ninety-one thousand".