7274683239642 has 72 divisors (see below), whose sum is σ = 19745568824436. Its totient is φ = 1918597774464.

The previous prime is 7274683239631. The next prime is 7274683239643. The reversal of 7274683239642 is 2469323864727.

7274683239642 is a `hidden beast` number, since 7 + 27 + 468 + 3 + 23 + 96 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6766714866681 + 507968372961 = 2601291^2 + 712719^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 7274683239642.

It is not an unprimeable number, because it can be changed into a prime (7274683239643) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 317217003 + ... + 317239934.

Almost surely, 2^{7274683239642} is an apocalyptic number.

7274683239642 is an abundant number, since it is smaller than the sum of its proper divisors (12470885584794).

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

7274683239642 is a wasteful number, since it uses less digits than its factorization.

7274683239642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634456972 (or 634456962 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 63.

The spelling of 7274683239642 in words is "seven trillion, two hundred seventy-four billion, six hundred eighty-three million, two hundred thirty-nine thousand, six hundred forty-two".