67432423476 has 72 divisors (see below), whose sum is σ = 173268216352. Its totient is φ = 20396059200.

The previous prime is 67432423463. The next prime is 67432423573.

67432423476 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742611 + ... + 828453.

Almost surely, 2^67432423476 is an apocalyptic number.

67432423476 is a gapful number since it is divisible by the number (66) 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 67432423476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86634108176).

67432423476 is an abundant number, since it is smaller than the sum of its proper divisors (105835792876).

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

67432423476 is a wasteful number, since it uses less digits than its factorization.

67432423476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86413 (or 86400 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 48.

The spelling of 67432423476 in words is "sixty-seven billion, four hundred thirty-two million, four hundred twenty-three thousand, four hundred seventy-six".