74554285 has 8 divisors (see below), whose sum is σ = 96347160. Its totient is φ = 55055424.

The previous prime is 74554253. The next prime is 74554289. The reversal of 74554285 is 58245547.

It can be written as a sum of positive squares in 4 ways, for example, as 1503076 + 73051209 = 1226^2 + 8547^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74554285 - 2⁵ = 74554253 is a prime.

It is a super-2 number, since 2×74554285² = 11116682823722450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74554289) 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, 573430 + ... + 573559.

It is an arithmetic number, because the mean of its divisors is an integer number (12043395).

Almost surely, 2^74554285 is an apocalyptic number.

It is an amenable number.

74554285 is a deficient number, since it is larger than the sum of its proper divisors (21792875).

74554285 is a wasteful number, since it uses less digits than its factorization.

74554285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147007.

The product of its digits is 224000, while the sum is 40.

The square root of 74554285 is about 8634.4823237992. The cubic root of 74554285 is about 420.8792709604.

The spelling of 74554285 in words is "seventy-four million, five hundred fifty-four thousand, two hundred eighty-five".