871625072 has 10 divisors (see below), whose sum is σ = 1688773608. Its totient is φ = 435812528.

The previous prime is 871625063. The next prime is 871625077. The reversal of 871625072 is 270526178.

It is a super-2 number, since 2×871625072² = 1519460532278010368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871625077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27238268 + ... + 27238299.

Almost surely, 2^871625072 is an apocalyptic number.

It is an amenable number.

871625072 is a deficient number, since it is larger than the sum of its proper divisors (817148536).

871625072 is a wasteful number, since it uses less digits than its factorization.

871625072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54476575 (or 54476569 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 871625072 is about 29523.2971058451. The cubic root of 871625072 is about 955.2342917207.

The spelling of 871625072 in words is "eight hundred seventy-one million, six hundred twenty-five thousand, seventy-two".