71254772 has 12 divisors (see below), whose sum is σ = 126809760. Its totient is φ = 35023416.

The previous prime is 71254727. The next prime is 71254787. The reversal of 71254772 is 27745217.

It is a super-3 number, since 3×71254772³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150728 + ... + 151199.

It is an arithmetic number, because the mean of its divisors is an integer number (10567480).

Almost surely, 2^71254772 is an apocalyptic number.

It is an amenable number.

71254772 is a deficient number, since it is larger than the sum of its proper divisors (55554988).

71254772 is a wasteful number, since it uses less digits than its factorization.

71254772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301990 (or 301988 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 71254772 is about 8441.2541722187. The cubic root of 71254772 is about 414.5764721596.

Adding to 71254772 its reverse (27745217), we get a palindrome (98999989).

The spelling of 71254772 in words is "seventy-one million, two hundred fifty-four thousand, seven hundred seventy-two".