61074727406 has 32 divisors (see below), whose sum is σ = 114229751040. Its totient is φ = 23792832000.

The previous prime is 61074727393. The next prime is 61074727411. The reversal of 61074727406 is 60472747016.

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 in 15 ways as a sum of consecutive naturals, for example, 2203985 + ... + 2231523.

It is an arithmetic number, because the mean of its divisors is an integer number (3569679720).

Almost surely, 2^61074727406 is an apocalyptic number.

61074727406 is a deficient number, since it is larger than the sum of its proper divisors (53155023634).

61074727406 is a wasteful number, since it uses less digits than its factorization.

61074727406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41960.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 61074727406 in words is "sixty-one billion, seventy-four million, seven hundred twenty-seven thousand, four hundred six".