7542421870352 has 40 divisors (see below), whose sum is σ = 14689865681280. Its totient is φ = 3751490672640.

The previous prime is 7542421870339. The next prime is 7542421870369. The reversal of 7542421870352 is 2530781242457.

It is a self number, because there is not a number n which added to its sum of digits gives 7542421870352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83426549 + ... + 83516907.

It is an arithmetic number, because the mean of its divisors is an integer number (367246642032).

Almost surely, 2^{7542421870352} is an apocalyptic number.

It is an amenable number.

7542421870352 is a deficient number, since it is larger than the sum of its proper divisors (7147443810928).

7542421870352 is a wasteful number, since it uses less digits than its factorization.

7542421870352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117591 (or 117585 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 7542421870352 in words is "seven trillion, five hundred forty-two billion, four hundred twenty-one million, eight hundred seventy thousand, three hundred fifty-two".