61740057234 has 8 divisors (see below), whose sum is σ = 123480114480. Its totient is φ = 20580019076.

The previous prime is 61740057217. The next prime is 61740057263. The reversal of 61740057234 is 43275004716.

It is a sphenic number, since it is the product of 3 distinct primes.

61740057234 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61740057192 and 61740057201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5145004764 + ... + 5145004775.

It is an arithmetic number, because the mean of its divisors is an integer number (15435014310).

Almost surely, 2^61740057234 is an apocalyptic number.

61740057234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61740057234 is a wasteful number, since it uses less digits than its factorization.

61740057234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10290009544.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 61740057234 in words is "sixty-one billion, seven hundred forty million, fifty-seven thousand, two hundred thirty-four".