61756422277242 has 32 divisors (see below), whose sum is σ = 153990039965184. Its totient is φ = 16040629162800.

The previous prime is 61756422277177. The next prime is 61756422277273. The reversal of 61756422277242 is 24277222465716.

It is a super-2 number, since 2×61756422277242² (a number of 28 digits) contains 22 as substring.

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, 66835954384 + ... + 66835955307.

It is an arithmetic number, because the mean of its divisors is an integer number (4812188748912).

Almost surely, 2^{61756422277242} is an apocalyptic number.

61756422277242 is an abundant number, since it is smaller than the sum of its proper divisors (92233617687942).

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

61756422277242 is a wasteful number, since it uses less digits than its factorization.

61756422277242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133671909714.

The product of its digits is 31610880, while the sum is 57.

The spelling of 61756422277242 in words is "sixty-one trillion, seven hundred fifty-six billion, four hundred twenty-two million, two hundred seventy-seven thousand, two hundred forty-two".