71370052 has 36 divisors (see below), whose sum is σ = 137241216. Its totient is φ = 32454240.

The previous prime is 71370043. The next prime is 71370059. The reversal of 71370052 is 25007317.

It is a junction number, because it is equal to n+sod(n) for n = 71369999 and 71370026.

It is not an unprimeable number, because it can be changed into a prime (71370059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47253 + ... + 48739.

It is an arithmetic number, because the mean of its divisors is an integer number (3812256).

Almost surely, 2^71370052 is an apocalyptic number.

It is an amenable number.

71370052 is a deficient number, since it is larger than the sum of its proper divisors (65871164).

71370052 is a wasteful number, since it uses less digits than its factorization.

71370052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 71370052 is about 8448.0797818202. The cubic root of 71370052 is about 414.7999267848.

Adding to 71370052 its reverse (25007317), we get a palindrome (96377369).

The spelling of 71370052 in words is "seventy-one million, three hundred seventy thousand, fifty-two".