71875242 has 16 divisors (see below), whose sum is σ = 159722880. Its totient is φ = 23958396.

The previous prime is 71875241. The next prime is 71875249. The reversal of 71875242 is 24257817.

It is a super-3 number, since 3×71875242³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71875197 and 71875206.

It is not an unprimeable number, because it can be changed into a prime (71875241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665458 + ... + 665565.

It is an arithmetic number, because the mean of its divisors is an integer number (9982680).

Almost surely, 2^71875242 is an apocalyptic number.

71875242 is an abundant number, since it is smaller than the sum of its proper divisors (87847638).

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

71875242 is a wasteful number, since it uses less digits than its factorization.

71875242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331034 (or 1331028 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 71875242 is about 8477.9267512759. The cubic root of 71875242 is about 415.7763413428.

The spelling of 71875242 in words is "seventy-one million, eight hundred seventy-five thousand, two hundred forty-two".