61374743005 has 8 divisors (see below), whose sum is σ = 74537037792. Its totient is φ = 48508230288.

The previous prime is 61374742987. The next prime is 61374743029. The reversal of 61374743005 is 50034747316.

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

It is a cyclic number.

It is not a de Polignac number, because 61374743005 - 2²³ = 61366354397 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 73945059 + ... + 73945888.

It is an arithmetic number, because the mean of its divisors is an integer number (9317129724).

Almost surely, 2^61374743005 is an apocalyptic number.

It is an amenable number.

61374743005 is a deficient number, since it is larger than the sum of its proper divisors (13162294787).

61374743005 is a wasteful number, since it uses less digits than its factorization.

61374743005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147891035.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 61374743005 in words is "sixty-one billion, three hundred seventy-four million, seven hundred forty-three thousand, five".