71612124 has 24 divisors (see below), whose sum is σ = 169386000. Its totient is φ = 23543424.

The previous prime is 71612119. The next prime is 71612129. The reversal of 71612124 is 42121617.

It is an interprime number because it is at equal distance from previous prime (71612119) and next prime (71612129).

It is a junction number, because it is equal to n+sod(n) for n = 71612094 and 71612103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71612129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39999 + ... + 41750.

It is an arithmetic number, because the mean of its divisors is an integer number (7057750).

Almost surely, 2^71612124 is an apocalyptic number.

It is an amenable number.

71612124 is an abundant number, since it is smaller than the sum of its proper divisors (97773876).

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

71612124 is a wasteful number, since it uses less digits than its factorization.

71612124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81829 (or 81827 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 71612124 is about 8462.3946965383. The cubic root of 71612124 is about 415.2683685367.

The spelling of 71612124 in words is "seventy-one million, six hundred twelve thousand, one hundred twenty-four".