7071721234401 has 32 divisors (see below), whose sum is σ = 9598793264640. Its totient is φ = 4629734928000.

The previous prime is 7071721234349. The next prime is 7071721234453. The reversal of 7071721234401 is 1044321271707.

It is an interprime number because it is at equal distance from previous prime (7071721234349) and next prime (7071721234453).

It is not a de Polignac number, because 7071721234401 - 2⁶ = 7071721234337 is a prime.

It is a super-3 number, since 3×7071721234401³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7071721234401.

It is not an unprimeable number, because it can be changed into a prime (7071721234001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870575926 + ... + 870584048.

It is an arithmetic number, because the mean of its divisors is an integer number (299962289520).

Almost surely, 2^{7071721234401} is an apocalyptic number.

It is an amenable number.

7071721234401 is a deficient number, since it is larger than the sum of its proper divisors (2527072030239).

7071721234401 is a wasteful number, since it uses less digits than its factorization.

7071721234401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12717.

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 7071721234401 in words is "seven trillion, seventy-one billion, seven hundred twenty-one million, two hundred thirty-four thousand, four hundred one".