67280003960 has 64 divisors (see below), whose sum is σ = 171604893600. Its totient is φ = 23534378496.

The previous prime is 67280003951. The next prime is 67280003971. The reversal of 67280003960 is 6930008276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394979 + ... + 3414738.

Almost surely, 2^67280003960 is an apocalyptic number.

It is an amenable number.

67280003960 is an abundant number, since it is smaller than the sum of its proper divisors (104324889640).

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

67280003960 is a wasteful number, since it uses less digits than its factorization.

67280003960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809760 (or 6809756 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 67280003960 in words is "sixty-seven billion, two hundred eighty million, three thousand, nine hundred sixty".