74135775947905 has 24 divisors (see below), whose sum is σ = 103489297040448. Its totient is φ = 50835073631328.

The previous prime is 74135775947819. The next prime is 74135775947921. The reversal of 74135775947905 is 50974957753147.

It is not a de Polignac number, because 74135775947905 - 2⁹ = 74135775947393 is a prime.

It is a super-2 number, since 2×74135775947905² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11586052 + ... + 16807978.

It is an arithmetic number, because the mean of its divisors is an integer number (4312054043352).

Almost surely, 2^{74135775947905} is an apocalyptic number.

It is an amenable number.

74135775947905 is a deficient number, since it is larger than the sum of its proper divisors (29353521092543).

74135775947905 is a wasteful number, since it uses less digits than its factorization.

74135775947905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279893 (or 5279886 counting only the distinct ones).

The product of its (nonzero) digits is 1166886000, while the sum is 73.

The spelling of 74135775947905 in words is "seventy-four trillion, one hundred thirty-five billion, seven hundred seventy-five million, nine hundred forty-seven thousand, nine hundred five".