71936272 has 20 divisors (see below), whose sum is σ = 145437120. Its totient is φ = 34404128.

The previous prime is 71936257. The next prime is 71936279. The reversal of 71936272 is 27263917.

It is a super-3 number, since 3×71936272³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71936279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97372 + ... + 98107.

It is an arithmetic number, because the mean of its divisors is an integer number (7271856).

Almost surely, 2^71936272 is an apocalyptic number.

It is an amenable number.

71936272 is an abundant number, since it is smaller than the sum of its proper divisors (73500848).

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

71936272 is a wasteful number, since it uses less digits than its factorization.

71936272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195510 (or 195504 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 71936272 is about 8481.5253345138. The cubic root of 71936272 is about 415.8939880260.

The spelling of 71936272 in words is "seventy-one million, nine hundred thirty-six thousand, two hundred seventy-two".