67732724312 has 32 divisors (see below), whose sum is σ = 138706782480. Its totient is φ = 30751474560.

The previous prime is 67732724291. The next prime is 67732724377. The reversal of 67732724312 is 21342723776.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376103 + ... + 526230.

Almost surely, 2^67732724312 is an apocalyptic number.

It is an amenable number.

67732724312 is an abundant number, since it is smaller than the sum of its proper divisors (70974058168).

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

67732724312 is a wasteful number, since it uses less digits than its factorization.

67732724312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903203 (or 903199 counting only the distinct ones).

The product of its digits is 592704, while the sum is 44.

The spelling of 67732724312 in words is "sixty-seven billion, seven hundred thirty-two million, seven hundred twenty-four thousand, three hundred twelve".