71241804 has 36 divisors (see below), whose sum is σ = 181841296. Its totient is φ = 23515488.

The previous prime is 71241803. The next prime is 71241869. The reversal of 71241804 is 40814217.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (71241803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5899 + ... + 13314.

Almost surely, 2^71241804 is an apocalyptic number.

It is an amenable number.

71241804 is an abundant number, since it is smaller than the sum of its proper divisors (110599492).

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

71241804 is a wasteful number, since it uses less digits than its factorization.

71241804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19326 (or 19321 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 71241804 is about 8440.4860049644. The cubic root of 71241804 is about 414.5513203757.

The spelling of 71241804 in words is "seventy-one million, two hundred forty-one thousand, eight hundred four".