71423252 has 12 divisors (see below), whose sum is σ = 125054496. Its totient is φ = 35693400.

The previous prime is 71423227. The next prime is 71423279. The reversal of 71423252 is 25232417.

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, 8273 + ... + 14535.

It is an arithmetic number, because the mean of its divisors is an integer number (10421208).

Almost surely, 2^71423252 is an apocalyptic number.

It is an amenable number.

71423252 is a deficient number, since it is larger than the sum of its proper divisors (53631244).

71423252 is a wasteful number, since it uses less digits than its factorization.

71423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118 (or 9116 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 71423252 is about 8451.2278397875. The cubic root of 71423252 is about 414.9029666205.

Adding to 71423252 its reverse (25232417), we get a palindrome (96655669).

The spelling of 71423252 in words is "seventy-one million, four hundred twenty-three thousand, two hundred fifty-two".