7392470742638 has 16 divisors (see below), whose sum is σ = 11277472821120. Its totient is φ = 3633322275000.

The previous prime is 7392470742589. The next prime is 7392470742661. The reversal of 7392470742638 is 8362470742937.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655328 + ... + 3900563.

It is an arithmetic number, because the mean of its divisors is an integer number (704842051320).

Almost surely, 2^{7392470742638} is an apocalyptic number.

7392470742638 is a deficient number, since it is larger than the sum of its proper divisors (3885002078482).

7392470742638 is a wasteful number, since it uses less digits than its factorization.

7392470742638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569703.

The product of its (nonzero) digits is 85349376, while the sum is 62.

The spelling of 7392470742638 in words is "seven trillion, three hundred ninety-two billion, four hundred seventy million, seven hundred forty-two thousand, six hundred thirty-eight".