67041746980 has 24 divisors (see below), whose sum is σ = 151617489912. Its totient is φ = 24753875712.

The previous prime is 67041746971. The next prime is 67041746983. The reversal of 67041746980 is 8964714076.

It can be written as a sum of positive squares in 4 ways, for example, as 5471265024 + 61570481956 = 73968^2 + 248134^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (67041746983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128926177 + ... + 128926696.

It is an arithmetic number, because the mean of its divisors is an integer number (6317395413).

Almost surely, 2^67041746980 is an apocalyptic number.

It is an amenable number.

67041746980 is an abundant number, since it is smaller than the sum of its proper divisors (84575742932).

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

67041746980 is a wasteful number, since it uses less digits than its factorization.

67041746980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257852895 (or 257852893 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 67041746980 in words is "sixty-seven billion, forty-one million, seven hundred forty-six thousand, nine hundred eighty".