72127726 has 16 divisors (see below), whose sum is σ = 121218480. Its totient is φ = 31898880.

The previous prime is 72127721. The next prime is 72127799. The reversal of 72127726 is 62772127.

It is a junction number, because it is equal to n+sod(n) for n = 72127691 and 72127700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72127721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43491 + ... + 45118.

It is an arithmetic number, because the mean of its divisors is an integer number (7576155).

Almost surely, 2^72127726 is an apocalyptic number.

72127726 is a deficient number, since it is larger than the sum of its proper divisors (49090754).

72127726 is a wasteful number, since it uses less digits than its factorization.

72127726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88659.

The product of its digits is 16464, while the sum is 34.

The square root of 72127726 is about 8492.8043660501. The cubic root of 72127726 is about 416.2626200156.

The spelling of 72127726 in words is "seventy-two million, one hundred twenty-seven thousand, seven hundred twenty-six".