67045482720 has 72 divisors (see below), whose sum is σ = 228792714696. Its totient is φ = 17878795008.

The previous prime is 67045482709. The next prime is 67045482769. The reversal of 67045482720 is 2728454076.

It is a happy number.

67045482720 is a `hidden beast` number, since 67 + 0 + 4 + 548 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23278242 + ... + 23281121.

It is an arithmetic number, because the mean of its divisors is an integer number (3177676593).

Almost surely, 2^67045482720 is an apocalyptic number.

67045482720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67045482720 is an abundant number, since it is smaller than the sum of its proper divisors (161747231976).

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

67045482720 is a wasteful number, since it uses less digits than its factorization.

67045482720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46559384 (or 46559373 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 67045482720 in words is "sixty-seven billion, forty-five million, four hundred eighty-two thousand, seven hundred twenty".