67849338388572 has 96 divisors (see below), whose sum is σ = 189439207594560. Its totient is φ = 20876465111040.

The previous prime is 67849338388567. The next prime is 67849338388591. The reversal of 67849338388572 is 27588383394876.

67849338388572 is a `hidden beast` number, since 6 + 7 + 8 + 4 + 9 + 3 + 3 + 8 + 38 + 8 + 572 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 67849338388491 and 67849338388500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138134488 + ... + 138624800.

It is an arithmetic number, because the mean of its divisors is an integer number (1973325079110).

Almost surely, 2^{67849338388572} is an apocalyptic number.

It is an amenable number.

67849338388572 is an abundant number, since it is smaller than the sum of its proper divisors (121589869205988).

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

67849338388572 is a wasteful number, since it uses less digits than its factorization.

67849338388572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588900 (or 588892 counting only the distinct ones).

The product of its digits is 11705057280, while the sum is 81.

The spelling of 67849338388572 in words is "sixty-seven trillion, eight hundred forty-nine billion, three hundred thirty-eight million, three hundred eighty-eight thousand, five hundred seventy-two".