7617538272942 has 40 divisors (see below), whose sum is σ = 18381922846056. Its totient is φ = 2343857929488.

The previous prime is 7617538272857. The next prime is 7617538272989. The reversal of 7617538272942 is 2492728357167.

It is a happy number.

7617538272942 is a `hidden beast` number, since 7 + 6 + 1 + 7 + 538 + 2 + 7 + 2 + 94 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7617538272942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1808530248 + ... + 1808534459.

Almost surely, 2^{7617538272942} is an apocalyptic number.

7617538272942 is an abundant number, since it is smaller than the sum of its proper divisors (10764384573114).

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

7617538272942 is a wasteful number, since it uses less digits than its factorization.

7617538272942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617064734 (or 3617064725 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 7617538272942 in words is "seven trillion, six hundred seventeen billion, five hundred thirty-eight million, two hundred seventy-two thousand, nine hundred forty-two".