67632716340 has 96 divisors (see below), whose sum is σ = 240471893760. Its totient is φ = 15458905728.

The previous prime is 67632716321. The next prime is 67632716341. The reversal of 67632716340 is 4361723676.

67632716340 is a `hidden beast` number, since 6 + 7 + 6 + 3 + 2 + 7 + 1 + 634 + 0 = 666.

It is a super-3 number, since 3×67632716340³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67632716341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8942347 + ... + 8949906.

It is an arithmetic number, because the mean of its divisors is an integer number (2504915560).

Almost surely, 2^67632716340 is an apocalyptic number.

67632716340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67632716340 is an abundant number, since it is smaller than the sum of its proper divisors (172839177420).

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

67632716340 is a wasteful number, since it uses less digits than its factorization.

67632716340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17892278 (or 17892270 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 67632716340 in words is "sixty-seven billion, six hundred thirty-two million, seven hundred sixteen thousand, three hundred forty".