61024660072 has 8 divisors (see below), whose sum is σ = 114421237650. Its totient is φ = 30512330032.

The previous prime is 61024660057. The next prime is 61024660097. The reversal of 61024660072 is 27006642016.

61024660072 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., 40822586116 + 20202073956 = 202046^2 + 142134^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814041247 + ... + 3814041262.

Almost surely, 2^61024660072 is an apocalyptic number.

It is an amenable number.

61024660072 is a deficient number, since it is larger than the sum of its proper divisors (53396577578).

61024660072 is a wasteful number, since it uses less digits than its factorization.

61024660072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628082515 (or 7628082511 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 61024660072 in words is "sixty-one billion, twenty-four million, six hundred sixty thousand, seventy-two".