71380841 has 16 divisors (see below), whose sum is σ = 87246720. Its totient is φ = 57004800.

The previous prime is 71380823. The next prime is 71380843. The reversal of 71380841 is 14808317.

It is a cyclic number.

It is not a de Polignac number, because 71380841 - 2¹⁴ = 71364457 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71380798 and 71380807.

It is not an unprimeable number, because it can be changed into a prime (71380843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9050 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (5452920).

Almost surely, 2^71380841 is an apocalyptic number.

It is an amenable number.

71380841 is a deficient number, since it is larger than the sum of its proper divisors (15865879).

71380841 is a wasteful number, since it uses less digits than its factorization.

71380841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 71380841 is about 8448.7183051632. The cubic root of 71380841 is about 414.8208274791.

The spelling of 71380841 in words is "seventy-one million, three hundred eighty thousand, eight hundred forty-one".