7458740379321 has 32 divisors (see below), whose sum is σ = 12489448347648. Its totient is φ = 3846388045440.

The previous prime is 7458740379319. The next prime is 7458740379353. The reversal of 7458740379321 is 1239730478547.

It is not a de Polignac number, because 7458740379321 - 2¹ = 7458740379319 is a prime.

It is a super-2 number, since 2×7458740379321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7458740379361) 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 31 ways as a sum of consecutive naturals, for example, 117811125 + ... + 117874418.

It is an arithmetic number, because the mean of its divisors is an integer number (390295260864).

Almost surely, 2^{7458740379321} is an apocalyptic number.

It is an amenable number.

7458740379321 is a deficient number, since it is larger than the sum of its proper divisors (5030707968327).

7458740379321 is a wasteful number, since it uses less digits than its factorization.

7458740379321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235685701.

The product of its (nonzero) digits is 35562240, while the sum is 60.

The spelling of 7458740379321 in words is "seven trillion, four hundred fifty-eight billion, seven hundred forty million, three hundred seventy-nine thousand, three hundred twenty-one".