67487612400 has 840 divisors, whose sum is σ = 275869964720. Its totient is φ = 15721205760.

The previous prime is 67487612323. The next prime is 67487612411. The reversal of 67487612400 is 421678476.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 72024732 + ... + 72025668.

Almost surely, 2^67487612400 is an apocalyptic number.

67487612400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67487612400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137934982360).

67487612400 is an abundant number, since it is smaller than the sum of its proper divisors (208382352320).

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

67487612400 is a wasteful number, since it uses less digits than its factorization.

67487612400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 67487612400 in words is "sixty-seven billion, four hundred eighty-seven million, six hundred twelve thousand, four hundred".