74855514261 has 8 divisors (see below), whose sum is σ = 108880748064. Its totient is φ = 45366978320.

The previous prime is 74855514247. The next prime is 74855514263. The reversal of 74855514261 is 16241555847.

It is a happy number.

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 74855514261 - 2⁹ = 74855513749 is a prime.

It is a super-2 number, since 2×74855514261² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74855514261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74855514263) by changing a digit.

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, 1134174426 + ... + 1134174491.

It is an arithmetic number, because the mean of its divisors is an integer number (13610093508).

Almost surely, 2^74855514261 is an apocalyptic number.

It is an amenable number.

74855514261 is a deficient number, since it is larger than the sum of its proper divisors (34025233803).

74855514261 is a wasteful number, since it uses less digits than its factorization.

74855514261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268348931.

The product of its digits is 1344000, while the sum is 48.

The spelling of 74855514261 in words is "seventy-four billion, eight hundred fifty-five million, five hundred fourteen thousand, two hundred sixty-one".