71025812 has 24 divisors (see below), whose sum is σ = 146026272. Its totient is φ = 29800800.

The previous prime is 71025791. The next prime is 71025821. The reversal of 71025812 is 21852017.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61514 + ... + 62657.

It is an arithmetic number, because the mean of its divisors is an integer number (6084428).

Almost surely, 2^71025812 is an apocalyptic number.

It is an amenable number.

71025812 is an abundant number, since it is smaller than the sum of its proper divisors (75000460).

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

71025812 is a wasteful number, since it uses less digits than its factorization.

71025812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124199 (or 124197 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 71025812 is about 8427.6812944012. The cubic root of 71025812 is about 414.1319485751.

Adding to 71025812 its reverse (21852017), we get a palindrome (92877829).

The spelling of 71025812 in words is "seventy-one million, twenty-five thousand, eight hundred twelve".