71724070001 has 16 divisors (see below), whose sum is σ = 73729656000. Its totient is φ = 69731155200.

The previous prime is 71724069973. The next prime is 71724070013. The reversal of 71724070001 is 10007042717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71724070001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71724970001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15425525 + ... + 15430173.

It is an arithmetic number, because the mean of its divisors is an integer number (4608103500).

Almost surely, 2^71724070001 is an apocalyptic number.

It is an amenable number.

71724070001 is a deficient number, since it is larger than the sum of its proper divisors (2005585999).

71724070001 is a wasteful number, since it uses less digits than its factorization.

71724070001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 2744, while the sum is 29.

The spelling of 71724070001 in words is "seventy-one billion, seven hundred twenty-four million, seventy thousand, one".