61074727398 has 12 divisors (see below), whose sum is σ = 132328576068. Its totient is φ = 20358242460.

The previous prime is 61074727393. The next prime is 61074727411. The reversal of 61074727398 is 89372747016.

61074727398 is a `hidden beast` number, since 6 + 10 + 7 + 472 + 73 + 98 = 666.

61074727398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61074727393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1696520188 + ... + 1696520223.

It is an arithmetic number, because the mean of its divisors is an integer number (11027381339).

Almost surely, 2^61074727398 is an apocalyptic number.

61074727398 is an abundant number, since it is smaller than the sum of its proper divisors (71253848670).

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

61074727398 is a wasteful number, since it uses less digits than its factorization.

61074727398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393040419 (or 3393040416 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 61074727398 in words is "sixty-one billion, seventy-four million, seven hundred twenty-seven thousand, three hundred ninety-eight".