71612052 has 24 divisors (see below), whose sum is σ = 168205632. Its totient is φ = 23712000.

The previous prime is 71612033. The next prime is 71612053. The reversal of 71612052 is 25021617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71612053) 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 in 7 ways as a sum of consecutive naturals, for example, 17949 + ... + 21572.

It is an arithmetic number, because the mean of its divisors is an integer number (7008568).

Almost surely, 2^71612052 is an apocalyptic number.

It is an amenable number.

71612052 is an abundant number, since it is smaller than the sum of its proper divisors (96593580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71612052 is a wasteful number, since it uses less digits than its factorization.

71612052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39679 (or 39677 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 71612052 is about 8462.3904424223. The cubic root of 71612052 is about 415.2682293641.

Adding to 71612052 its reverse (25021617), we get a palindrome (96633669).

The spelling of 71612052 in words is "seventy-one million, six hundred twelve thousand, fifty-two".