67420086800 has 90 divisors (see below), whose sum is σ = 178040697114. Its totient is φ = 24516377600.

The previous prime is 67420086787. The next prime is 67420086823. The reversal of 67420086800 is 868002476.

It can be written as a sum of positive squares in 3 ways, for example, as 7829418256 + 59590668544 = 88484^2 + 244112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 648089 + ... + 744888.

Almost surely, 2^67420086800 is an apocalyptic number.

It is an amenable number.

67420086800 is an abundant number, since it is smaller than the sum of its proper divisors (110620610314).

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

67420086800 is a wasteful number, since it uses less digits than its factorization.

67420086800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393017 (or 1392995 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 67420086800 in words is "sixty-seven billion, four hundred twenty million, eighty-six thousand, eight hundred".