61306770722 has 32 divisors (see below), whose sum is σ = 95304762432. Its totient is φ = 29558882304.

The previous prime is 61306770709. The next prime is 61306770739. The reversal of 61306770722 is 22707760316.

It is a self number, because there is not a number n which added to its sum of digits gives 61306770722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485253 + ... + 2509799.

It is an arithmetic number, because the mean of its divisors is an integer number (2978273826).

Almost surely, 2^61306770722 is an apocalyptic number.

61306770722 is a deficient number, since it is larger than the sum of its proper divisors (33997991710).

61306770722 is a wasteful number, since it uses less digits than its factorization.

61306770722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24962.

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 61306770722 in words is "sixty-one billion, three hundred six million, seven hundred seventy thousand, seven hundred twenty-two".