67461237448 has 96 divisors (see below), whose sum is σ = 140917303800. Its totient is φ = 30250542080.

The previous prime is 67461237433. The next prime is 67461237497. The reversal of 67461237448 is 84473216476.

It can be written as a sum of positive squares in 4 ways, for example, as 9120632004 + 58340605444 = 95502^2 + 241538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67461237395 and 67461237404.

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, 66594990 + ... + 66596002.

Almost surely, 2^67461237448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67461237448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70458651900).

67461237448 is an abundant number, since it is smaller than the sum of its proper divisors (73456066352).

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

67461237448 is a wasteful number, since it uses less digits than its factorization.

67461237448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1888 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 52.

The spelling of 67461237448 in words is "sixty-seven billion, four hundred sixty-one million, two hundred thirty-seven thousand, four hundred forty-eight".