71426452 has 24 divisors (see below), whose sum is σ = 132622056. Its totient is φ = 33543168.

The previous prime is 71426447. The next prime is 71426461. The reversal of 71426452 is 25462417.

It can be written as a sum of positive squares in 4 ways, for example, as 53056656 + 18369796 = 7284^2 + 4286^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49128 + ... + 50560.

It is an arithmetic number, because the mean of its divisors is an integer number (5525919).

Almost surely, 2^71426452 is an apocalyptic number.

It is an amenable number.

71426452 is a deficient number, since it is larger than the sum of its proper divisors (61195604).

71426452 is a wasteful number, since it uses less digits than its factorization.

71426452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 71426452 is about 8451.4171592698. The cubic root of 71426452 is about 414.9091628737.

Adding to 71426452 its reverse (25462417), we get a palindrome (96888869).

The spelling of 71426452 in words is "seventy-one million, four hundred twenty-six thousand, four hundred fifty-two".