61074727400 has 48 divisors (see below), whose sum is σ = 143301533100. Its totient is φ = 24205754880.

The previous prime is 61074727393. The next prime is 61074727411. The reversal of 61074727400 is 472747016.

It can be written as a sum of positive squares in 6 ways, for example, as 32282746276 + 28791981124 = 179674^2 + 169682^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378997 + ... + 1422596.

Almost surely, 2^61074727400 is an apocalyptic number.

It is an amenable number.

61074727400 is an abundant number, since it is smaller than the sum of its proper divisors (82226805700).

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

61074727400 is a wasteful number, since it uses less digits than its factorization.

61074727400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801718 (or 2801709 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 61074727400 in words is "sixty-one billion, seventy-four million, seven hundred twenty-seven thousand, four hundred".