71241912 has 48 divisors (see below), whose sum is σ = 220512240. Its totient is φ = 20354688.

The previous prime is 71241871. The next prime is 71241913. The reversal of 71241912 is 21914217.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71241913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70173 + ... + 71180.

It is an arithmetic number, because the mean of its divisors is an integer number (4594005).

Almost surely, 2^71241912 is an apocalyptic number.

71241912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71241912 is an abundant number, since it is smaller than the sum of its proper divisors (149270328).

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

71241912 is a wasteful number, since it uses less digits than its factorization.

71241912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141372 (or 141365 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 71241912 is about 8440.4924026978. The cubic root of 71241912 is about 414.5515298572.

It can be divided in two parts, 712 and 41912, that added together give a palindrome (42624).

The spelling of 71241912 in words is "seventy-one million, two hundred forty-one thousand, nine hundred twelve".