67921250504576 has 64 divisors (see below), whose sum is σ = 154643513074560. Its totient is φ = 29108847552000.

The previous prime is 67921250504567. The next prime is 67921250504629. The reversal of 67921250504576 is 67540505212976.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×67921250504576² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126723551 + ... + 127258401.

It is an arithmetic number, because the mean of its divisors is an integer number (2416304891790).

Almost surely, 2^{67921250504576} is an apocalyptic number.

It is an amenable number.

67921250504576 is an abundant number, since it is smaller than the sum of its proper divisors (86722262569984).

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

67921250504576 is a wasteful number, since it uses less digits than its factorization.

67921250504576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676603 (or 676591 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 67921250504576 in words is "sixty-seven trillion, nine hundred twenty-one billion, two hundred fifty million, five hundred four thousand, five hundred seventy-six".