74410784785085 has 32 divisors (see below), whose sum is σ = 108962411120640. Its totient is φ = 47671054820928.

The previous prime is 74410784785081. The next prime is 74410784785087. The reversal of 74410784785085 is 58058748701447.

It is not a de Polignac number, because 74410784785085 - 2² = 74410784785081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74410784785081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1074799775 + ... + 1074869004.

It is an arithmetic number, because the mean of its divisors is an integer number (3405075347520).

Almost surely, 2^{74410784785085} is an apocalyptic number.

It is an amenable number.

74410784785085 is a deficient number, since it is larger than the sum of its proper divisors (34551626335555).

74410784785085 is a wasteful number, since it uses less digits than its factorization.

74410784785085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149668857.

The product of its (nonzero) digits is 280985600, while the sum is 68.

The spelling of 74410784785085 in words is "seventy-four trillion, four hundred ten billion, seven hundred eighty-four million, seven hundred eighty-five thousand, eighty-five".