71383252 has 12 divisors (see below), whose sum is σ = 125164116. Its totient is φ = 35622080.

The previous prime is 71383229. The next prime is 71383253. The reversal of 71383252 is 25238317.

It can be written as a sum of positive squares in 2 ways, for example, as 17007376 + 54375876 = 4124^2 + 7374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71383253) 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, 15043 + ... + 19210.

It is an arithmetic number, because the mean of its divisors is an integer number (10430343).

Almost surely, 2^71383252 is an apocalyptic number.

It is an amenable number.

71383252 is a deficient number, since it is larger than the sum of its proper divisors (53780864).

71383252 is a wasteful number, since it uses less digits than its factorization.

71383252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34778 (or 34776 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 71383252 is about 8448.8609883226. The cubic root of 71383252 is about 414.8254978348.

The spelling of 71383252 in words is "seventy-one million, three hundred eighty-three thousand, two hundred fifty-two".