667400073700 has 36 divisors (see below), whose sum is σ = 1449256585392. Its totient is φ = 266775988000.

The previous prime is 667400073689. The next prime is 667400073719. The reversal of 667400073700 is 7370004766.

It is a super-3 number, since 3×667400073700³ (a number of 36 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2154694 + ... + 2444893.

It is an arithmetic number, because the mean of its divisors is an integer number (40257127372).

Almost surely, 2^667400073700 is an apocalyptic number.

It is an amenable number.

667400073700 is an abundant number, since it is smaller than the sum of its proper divisors (781856511692).

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

667400073700 is a wasteful number, since it uses less digits than its factorization.

667400073700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601052 (or 4601045 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 667400073700 in words is "six hundred sixty-seven billion, four hundred million, seventy-three thousand, seven hundred".