71463841 has 4 divisors (see below), whose sum is σ = 71611072. Its totient is φ = 71316612.

The previous prime is 71463823. The next prime is 71463853. The reversal of 71463841 is 14836417.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71463841 - 2¹⁷ = 71332769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71463797 and 71463806.

It is not an unprimeable number, because it can be changed into a prime (71463881) 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 3 ways as a sum of consecutive naturals, for example, 72885 + ... + 73858.

It is an arithmetic number, because the mean of its divisors is an integer number (17902768).

Almost surely, 2^71463841 is an apocalyptic number.

It is an amenable number.

71463841 is a deficient number, since it is larger than the sum of its proper divisors (147231).

71463841 is a wasteful number, since it uses less digits than its factorization.

71463841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147230.

The product of its digits is 16128, while the sum is 34.

The square root of 71463841 is about 8453.6288657594. The cubic root of 71463841 is about 414.9815465739.

The spelling of 71463841 in words is "seventy-one million, four hundred sixty-three thousand, eight hundred forty-one".