69427764460072 has 8 divisors (see below), whose sum is σ = 130177058362650. Its totient is φ = 34713882230032.

The previous prime is 69427764460063. The next prime is 69427764460073. The reversal of 69427764460072 is 27006446772496.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69394664479716 + 33099980356 = 8330346^2 + 181934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 69427764459986 and 69427764460013.

It is not an unprimeable number, because it can be changed into a prime (69427764460073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339235278747 + ... + 4339235278762.

Almost surely, 2^{69427764460072} is an apocalyptic number.

It is an amenable number.

69427764460072 is a deficient number, since it is larger than the sum of its proper divisors (60749293902578).

69427764460072 is a wasteful number, since it uses less digits than its factorization.

69427764460072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678470557515 (or 8678470557511 counting only the distinct ones).

The product of its (nonzero) digits is 170698752, while the sum is 64.

The spelling of 69427764460072 in words is "sixty-nine trillion, four hundred twenty-seven billion, seven hundred sixty-four million, four hundred sixty thousand, seventy-two".