61684260734 has 8 divisors (see below), whose sum is σ = 95027104488. Its totient is φ = 30008559240.

The previous prime is 61684260727. The next prime is 61684260749. The reversal of 61684260734 is 43706248616.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416785472 + ... + 416785619.

It is an arithmetic number, because the mean of its divisors is an integer number (11878388061).

Almost surely, 2^61684260734 is an apocalyptic number.

61684260734 is a deficient number, since it is larger than the sum of its proper divisors (33342843754).

61684260734 is a wasteful number, since it uses less digits than its factorization.

61684260734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833571130.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 61684260734 in words is "sixty-one billion, six hundred eighty-four million, two hundred sixty thousand, seven hundred thirty-four".