61250342742 has 12 divisors (see below), whose sum is σ = 132709075980. Its totient is φ = 20416780908.

The previous prime is 61250342723. The next prime is 61250342749. The reversal of 61250342742 is 24724305216.

61250342742 is a `hidden beast` number, since 61 + 250 + 342 + 7 + 4 + 2 = 666.

61250342742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61250342697 and 61250342706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61250342749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1701398392 + ... + 1701398427.

It is an arithmetic number, because the mean of its divisors is an integer number (11059089665).

Almost surely, 2^61250342742 is an apocalyptic number.

61250342742 is an abundant number, since it is smaller than the sum of its proper divisors (71458733238).

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

61250342742 is a wasteful number, since it uses less digits than its factorization.

61250342742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402796827 (or 3402796824 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 61250342742 its reverse (24724305216), we get a palindrome (85974647958).

The spelling of 61250342742 in words is "sixty-one billion, two hundred fifty million, three hundred forty-two thousand, seven hundred forty-two".