74705445777 has 8 divisors (see below), whose sum is σ = 100053931264. Its totient is φ = 49580295408.

The previous prime is 74705445739. The next prime is 74705445797. The reversal of 74705445777 is 77754450747.

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

It is not a de Polignac number, because 74705445777 - 2¹⁶ = 74705380241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74705445797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55832998 + ... + 55834335.

It is an arithmetic number, because the mean of its divisors is an integer number (12506741408).

Almost surely, 2^74705445777 is an apocalyptic number.

It is an amenable number.

74705445777 is a deficient number, since it is larger than the sum of its proper divisors (25348485487).

74705445777 is a wasteful number, since it uses less digits than its factorization.

74705445777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111667559.

The product of its (nonzero) digits is 26891200, while the sum is 57.

The spelling of 74705445777 in words is "seventy-four billion, seven hundred five million, four hundred forty-five thousand, seven hundred seventy-seven".