61734524244742 has 4 divisors (see below), whose sum is σ = 92601786367116. Its totient is φ = 30867262122370.

The previous prime is 61734524244707. The next prime is 61734524244769. The reversal of 61734524244742 is 24744242543716.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×61734524244742² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15433631061184 + ... + 15433631061187.

It is an arithmetic number, because the mean of its divisors is an integer number (23150446591779).

Almost surely, 2^{61734524244742} is an apocalyptic number.

61734524244742 is a deficient number, since it is larger than the sum of its proper divisors (30867262122374).

61734524244742 is a wasteful number, since it uses less digits than its factorization.

61734524244742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30867262122373.

The product of its digits is 36126720, while the sum is 55.

The spelling of 61734524244742 in words is "sixty-one trillion, seven hundred thirty-four billion, five hundred twenty-four million, two hundred forty-four thousand, seven hundred forty-two".