7426672321842 has 16 divisors (see below), whose sum is σ = 16503716270880. Its totient is φ = 2475557440596.

The previous prime is 7426672321819. The next prime is 7426672321843. The reversal of 7426672321842 is 2481232766247.

7426672321842 is a `hidden beast` number, since 7 + 426 + 6 + 7 + 2 + 32 + 184 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 137530968923 = 7426672321842 / (7 + 4 + 2 + 6 + 6 + 7 + 2 + 3 + 2 + 1 + 8 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (7426672321843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68765484408 + ... + 68765484515.

It is an arithmetic number, because the mean of its divisors is an integer number (1031482266930).

Almost surely, 2^{7426672321842} is an apocalyptic number.

7426672321842 is an abundant number, since it is smaller than the sum of its proper divisors (9077043949038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7426672321842 is a wasteful number, since it uses less digits than its factorization.

7426672321842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137530968934 (or 137530968928 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 7426672321842 in words is "seven trillion, four hundred twenty-six billion, six hundred seventy-two million, three hundred twenty-one thousand, eight hundred forty-two".