74744085 has 16 divisors (see below), whose sum is σ = 128790144. Its totient is φ = 36796992.

The previous prime is 74744083. The next prime is 74744099. The reversal of 74744085 is 58044747.

It is not a de Polignac number, because 74744085 - 2¹ = 74744083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74744083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191457 + ... + 191846.

It is an arithmetic number, because the mean of its divisors is an integer number (8049384).

Almost surely, 2^74744085 is an apocalyptic number.

It is an amenable number.

74744085 is a deficient number, since it is larger than the sum of its proper divisors (54046059).

74744085 is a wasteful number, since it uses less digits than its factorization.

74744085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383324.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 74744085 is about 8645.4661528457. The cubic root of 74744085 is about 421.2361258921.

The spelling of 74744085 in words is "seventy-four million, seven hundred forty-four thousand, eighty-five".