71857052 has 12 divisors (see below), whose sum is σ = 125826456. Its totient is φ = 35906640.

The previous prime is 71857043. The next prime is 71857061. The reversal of 71857052 is 25075817.

It is an interprime number because it is at equal distance from previous prime (71857043) and next prime (71857061).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578 + ... + 12510.

It is an arithmetic number, because the mean of its divisors is an integer number (10485538).

Almost surely, 2^71857052 is an apocalyptic number.

It is an amenable number.

71857052 is a deficient number, since it is larger than the sum of its proper divisors (53969404).

71857052 is a wasteful number, since it uses less digits than its factorization.

71857052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948 (or 10946 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 71857052 is about 8476.8538975259. The cubic root of 71857052 is about 415.7412638505.

The spelling of 71857052 in words is "seventy-one million, eight hundred fifty-seven thousand, fifty-two".