74810719163761 has 27 divisors (see below), whose sum is σ = 89201997625377. Its totient is φ = 62557410572160.

The previous prime is 74810719163753. The next prime is 74810719163767. The reversal of 74810719163761 is 16736191701847.

The square root of 74810719163761 is 8649319.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 57146720607025 + 17663998556736 = 7559545^2 + 4202856^2 .

It is not a de Polignac number, because 74810719163761 - 2³ = 74810719163753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74810719163761.

It is not an unprimeable number, because it can be changed into a prime (74810719163767) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2482339485 + ... + 2482369621.

Almost surely, 2^{74810719163761} is an apocalyptic number.

74810719163761 is the 8649319-th square number.

74810719163761 is the 4324660-th centered octagonal number.

It is an amenable number.

74810719163761 is a deficient number, since it is larger than the sum of its proper divisors (14391278461616).

74810719163761 is an frugal number, since it uses more digits than its factorization.

74810719163761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60370 (or 30185 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 74810719163761 in words is "seventy-four trillion, eight hundred ten billion, seven hundred nineteen million, one hundred sixty-three thousand, seven hundred sixty-one".