74955785 has 4 divisors (see below), whose sum is σ = 89946948. Its totient is φ = 59964624.

The previous prime is 74955773. The next prime is 74955809. The reversal of 74955785 is 58755947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58755947 = 107 ⋅549121.

It can be written as a sum of positive squares in 2 ways, for example, as 47623801 + 27331984 = 6901^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 74955785 - 2²⁶ = 7846921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7495574 + ... + 7495583.

It is an arithmetic number, because the mean of its divisors is an integer number (22486737).

Almost surely, 2^74955785 is an apocalyptic number.

It is an amenable number.

74955785 is a deficient number, since it is larger than the sum of its proper divisors (14991163).

74955785 is a wasteful number, since it uses less digits than its factorization.

74955785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991162.

The product of its digits is 1764000, while the sum is 50.

The square root of 74955785 is about 8657.7009072848. The cubic root of 74955785 is about 421.6334444152.

The spelling of 74955785 in words is "seventy-four million, nine hundred fifty-five thousand, seven hundred eighty-five".