272778012 has 36 divisors (see below), whose sum is σ = 742563640. Its totient is φ = 83931552.

The previous prime is 272778007. The next prime is 272778017. The reversal of 272778012 is 210877272.

It is an interprime number because it is at equal distance from previous prime (272778007) and next prime (272778017).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272778017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290962 + ... + 291897.

Almost surely, 2^272778012 is an apocalyptic number.

It is an amenable number.

272778012 is an abundant number, since it is smaller than the sum of its proper divisors (469785628).

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

272778012 is a wasteful number, since it uses less digits than its factorization.

272778012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582882 (or 582877 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 272778012 is about 16515.9926132219. The cubic root of 272778012 is about 648.5395312233.

The spelling of 272778012 in words is "two hundred seventy-two million, seven hundred seventy-eight thousand, twelve".