61705630732454 has 32 divisors (see below), whose sum is σ = 98131564800000. Its totient is φ = 28999873960960.

The previous prime is 61705630732331. The next prime is 61705630732463. The reversal of 61705630732454 is 45423703650716.

61705630732454 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 = 61705630732396 and 61705630732405.

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 15 ways as a sum of consecutive naturals, for example, 401263172 + ... + 401416920.

It is an arithmetic number, because the mean of its divisors is an integer number (3066611400000).

Almost surely, 2^{61705630732454} is an apocalyptic number.

61705630732454 is a deficient number, since it is larger than the sum of its proper divisors (36425934067546).

61705630732454 is a wasteful number, since it uses less digits than its factorization.

61705630732454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169168.

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 61705630732454 in words is "sixty-one trillion, seven hundred five billion, six hundred thirty million, seven hundred thirty-two thousand, four hundred fifty-four".