71610152 has 8 divisors (see below), whose sum is σ = 134269050. Its totient is φ = 35805072.

The previous prime is 71610151. The next prime is 71610169. The reversal of 71610152 is 25101617.

It can be written as a sum of positive squares in only one way, i.e., 55562116 + 16048036 = 7454^2 + 4006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (71610151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4475627 + ... + 4475642.

Almost surely, 2^71610152 is an apocalyptic number.

It is an amenable number.

71610152 is a deficient number, since it is larger than the sum of its proper divisors (62658898).

71610152 is a wasteful number, since it uses less digits than its factorization.

71610152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951275 (or 8951271 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 71610152 is about 8462.2781802538. The cubic root of 71610152 is about 415.2645567206.

Adding to 71610152 its reverse (25101617), we get a palindrome (96711769).

The spelling of 71610152 in words is "seventy-one million, six hundred ten thousand, one hundred fifty-two".