272123724378 has 16 divisors (see below), whose sum is σ = 593724489696. Its totient is φ = 82461734640.

The previous prime is 272123724373. The next prime is 272123724407. The reversal of 272123724378 is 873427321272.

It is a happy number.

It is a super-2 number, since 2×272123724378² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (272123724373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061543301 + ... + 2061543432.

It is an arithmetic number, because the mean of its divisors is an integer number (37107780606).

Almost surely, 2^272123724378 is an apocalyptic number.

272123724378 is an abundant number, since it is smaller than the sum of its proper divisors (321600765318).

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

272123724378 is a wasteful number, since it uses less digits than its factorization.

272123724378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123086749.

The product of its digits is 1580544, while the sum is 48.

The spelling of 272123724378 in words is "two hundred seventy-two billion, one hundred twenty-three million, seven hundred twenty-four thousand, three hundred seventy-eight".