67065553740 has 96 divisors (see below), whose sum is σ = 191421941760. Its totient is φ = 17540640000.

The previous prime is 67065553739. The next prime is 67065553769. The reversal of 67065553740 is 4735556076.

It is a self number, because there is not a number n which added to its sum of digits gives 67065553740.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668890 + ... + 762590.

It is an arithmetic number, because the mean of its divisors is an integer number (1993978560).

Almost surely, 2^67065553740 is an apocalyptic number.

67065553740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67065553740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95710970880).

67065553740 is an abundant number, since it is smaller than the sum of its proper divisors (124356388020).

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

67065553740 is a wasteful number, since it uses less digits than its factorization.

67065553740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93943 (or 93941 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 67065553740 in words is "sixty-seven billion, sixty-five million, five hundred fifty-three thousand, seven hundred forty".