71424801 has 24 divisors (see below), whose sum is σ = 123092640. Its totient is φ = 40813416.

The previous prime is 71424799. The next prime is 71424809. The reversal of 71424801 is 10842417.

It is not a de Polignac number, because 71424801 - 2¹ = 71424799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71424809) 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 23 ways as a sum of consecutive naturals, for example, 25671 + ... + 28316.

It is an arithmetic number, because the mean of its divisors is an integer number (5128860).

Almost surely, 2^71424801 is an apocalyptic number.

It is an amenable number.

71424801 is a deficient number, since it is larger than the sum of its proper divisors (51667839).

71424801 is a wasteful number, since it uses less digits than its factorization.

71424801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54010 (or 53997 counting only the distinct ones).

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

The square root of 71424801 is about 8451.3194827790. The cubic root of 71424801 is about 414.9059660174.

The spelling of 71424801 in words is "seventy-one million, four hundred twenty-four thousand, eight hundred one".