71026004 has 12 divisors (see below), whose sum is σ = 142052064. Its totient is φ = 30439704.

The previous prime is 71026003. The next prime is 71026013. The reversal of 71026004 is 40062017.

71026004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71026003) 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 3 ways as a sum of consecutive naturals, for example, 1268294 + ... + 1268349.

It is an arithmetic number, because the mean of its divisors is an integer number (11837672).

Almost surely, 2^71026004 is an apocalyptic number.

It is an amenable number.

71026004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71026004 is a wasteful number, since it uses less digits than its factorization.

71026004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536654 (or 2536652 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 71026004 is about 8427.6926854270. The cubic root of 71026004 is about 414.1323217412.

The spelling of 71026004 in words is "seventy-one million, twenty-six thousand, four".