67513580032 has 20 divisors (see below), whose sum is σ = 134895298626. Its totient is φ = 33756789760.

The previous prime is 67513580011. The next prime is 67513580047. The reversal of 67513580032 is 23008531576.

67513580032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 63818885376 + 3694694656 = 252624^2 + 60784^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65930719 + ... + 65931742.

Almost surely, 2^67513580032 is an apocalyptic number.

It is an amenable number.

67513580032 is a deficient number, since it is larger than the sum of its proper divisors (67381718594).

67513580032 is an equidigital number, since it uses as much as digits as its factorization.

67513580032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131862479 (or 131862463 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 67513580032 in words is "sixty-seven billion, five hundred thirteen million, five hundred eighty thousand, thirty-two".