67400807472 has 30 divisors (see below), whose sum is σ = 188628649092. Its totient is φ = 22466935776.

The previous prime is 67400807399. The next prime is 67400807483. The reversal of 67400807472 is 27470800476.

67400807472 is a `hidden beast` number, since 67 + 40 + 0 + 80 + 7 + 472 = 666.

67400807472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67400807472² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234030438 + ... + 234030725.

Almost surely, 2^67400807472 is an apocalyptic number.

It is an amenable number.

67400807472 is an abundant number, since it is smaller than the sum of its proper divisors (121227841620).

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

67400807472 is a wasteful number, since it uses less digits than its factorization.

67400807472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468061177 (or 468061168 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 67400807472 in words is "sixty-seven billion, four hundred million, eight hundred seven thousand, four hundred seventy-two".