7342710785421 has 16 divisors (see below), whose sum is σ = 10680628819968. Its totient is φ = 4449993489200.

The previous prime is 7342710785351. The next prime is 7342710785453. The reversal of 7342710785421 is 1245870172437.

It is a cyclic number.

It is not a de Polignac number, because 7342710785421 - 2¹³ = 7342710777229 is a prime.

It is a super-2 number, since 2×7342710785421² (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 (7342710785521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2240571 + ... + 4439096.

It is an arithmetic number, because the mean of its divisors is an integer number (667539301248).

Almost surely, 2^{7342710785421} is an apocalyptic number.

It is an amenable number.

7342710785421 is a deficient number, since it is larger than the sum of its proper divisors (3337918034547).

7342710785421 is a wasteful number, since it uses less digits than its factorization.

7342710785421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712992.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 7342710785421 in words is "seven trillion, three hundred forty-two billion, seven hundred ten million, seven hundred eighty-five thousand, four hundred twenty-one".