7075003722021 has 6 divisors (see below), whose sum is σ = 10219449820710. Its totient is φ = 4716669148008.

The previous prime is 7075003722019. The next prime is 7075003722041. The reversal of 7075003722021 is 1202273005707.

It can be written as a sum of positive squares in only one way, i.e., 6062867119521 + 1012136602500 = 2462289^2 + 1006050^2 .

It is not a de Polignac number, because 7075003722021 - 2¹ = 7075003722019 is a prime.

It is a super-2 number, since 2×7075003722021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7075003722001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393055762326 + ... + 393055762343.

It is an arithmetic number, because the mean of its divisors is an integer number (1703241636785).

Almost surely, 2^{7075003722021} is an apocalyptic number.

It is an amenable number.

7075003722021 is a deficient number, since it is larger than the sum of its proper divisors (3144446098689).

7075003722021 is a wasteful number, since it uses less digits than its factorization.

7075003722021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786111524675 (or 786111524672 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

Adding to 7075003722021 its reverse (1202273005707), we get a palindrome (8277276727728).

The spelling of 7075003722021 in words is "seven trillion, seventy-five billion, three million, seven hundred twenty-two thousand, twenty-one".