72119272 has 8 divisors (see below), whose sum is σ = 135223650. Its totient is φ = 36059632.

The previous prime is 72119249. The next prime is 72119293. The reversal of 72119272 is 27291127.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 13351716 = 7666^2 + 3654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4507447 + ... + 4507462.

Almost surely, 2^72119272 is an apocalyptic number.

It is an amenable number.

72119272 is a deficient number, since it is larger than the sum of its proper divisors (63104378).

72119272 is a wasteful number, since it uses less digits than its factorization.

72119272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014915 (or 9014911 counting only the distinct ones).

The product of its digits is 3528, while the sum is 31.

The square root of 72119272 is about 8492.3066360089. The cubic root of 72119272 is about 416.2463561742.

The spelling of 72119272 in words is "seventy-two million, one hundred nineteen thousand, two hundred seventy-two".