71007152 has 20 divisors (see below), whose sum is σ = 138350520. Its totient is φ = 35303808.

The previous prime is 71007151. The next prime is 71007163. The reversal of 71007152 is 25170017.

It is a happy number.

It is a super-2 number, since 2×71007152² = 10084031270302208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71007151) 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, 9533 + ... + 15260.

It is an arithmetic number, because the mean of its divisors is an integer number (6917526).

Almost surely, 2^71007152 is an apocalyptic number.

It is an amenable number.

71007152 is a deficient number, since it is larger than the sum of its proper divisors (67343368).

71007152 is a wasteful number, since it uses less digits than its factorization.

71007152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980 (or 24974 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 71007152 is about 8426.5741556103. The cubic root of 71007152 is about 414.0956782917.

Adding to 71007152 its reverse (25170017), we get a palindrome (96177169).

The spelling of 71007152 in words is "seventy-one million, seven thousand, one hundred fifty-two".