61362724772 has 12 divisors (see below), whose sum is σ = 107727852876. Its totient is φ = 30583338240.

The previous prime is 61362724741. The next prime is 61362724781. The reversal of 61362724772 is 27742726316.

It can be written as a sum of positive squares in 2 ways, for example, as 2917728256 + 58444996516 = 54016^2 + 241754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24504629 + ... + 24507132.

It is an arithmetic number, because the mean of its divisors is an integer number (8977321073).

Almost surely, 2^61362724772 is an apocalyptic number.

It is an amenable number.

61362724772 is a deficient number, since it is larger than the sum of its proper divisors (46365128104).

61362724772 is a wasteful number, since it uses less digits than its factorization.

61362724772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49012078 (or 49012076 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 47.

The spelling of 61362724772 in words is "sixty-one billion, three hundred sixty-two million, seven hundred twenty-four thousand, seven hundred seventy-two".