71351028 has 36 divisors (see below), whose sum is σ = 206125920. Its totient is φ = 20385936.

The previous prime is 71350999. The next prime is 71351041. The reversal of 71351028 is 82015317.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 71350992 and 71351010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141318 + ... + 141821.

It is an arithmetic number, because the mean of its divisors is an integer number (5725720).

Almost surely, 2^71351028 is an apocalyptic number.

It is an amenable number.

71351028 is an abundant number, since it is smaller than the sum of its proper divisors (134774892).

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

71351028 is a wasteful number, since it uses less digits than its factorization.

71351028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283156 (or 283151 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 71351028 is about 8446.9537704429. The cubic root of 71351028 is about 414.7630679305.

The spelling of 71351028 in words is "seventy-one million, three hundred fifty-one thousand, twenty-eight".