67289397604 has 81 divisors (see below), whose sum is σ = 140311876761. Its totient is φ = 28202185440.

The previous prime is 67289397587. The next prime is 67289397647. The reversal of 67289397604 is 40679398276.

The square root of 67289397604 is 259402.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9954052900 + 57335344704 = 99770^2 + 239448^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 74188519 + ... + 74189425.

Almost surely, 2^67289397604 is an apocalyptic number.

67289397604 is the 259402-nd square number.

It is an amenable number.

67289397604 is an abundant number, since it is smaller than the sum of its proper divisors (73022479157).

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

67289397604 is a wasteful number, since it uses less digits than its factorization.

67289397604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 67289397604 in words is "sixty-seven billion, two hundred eighty-nine million, three hundred ninety-seven thousand, six hundred four".