74684305 has 8 divisors (see below), whose sum is σ = 89818344. Its totient is φ = 59616000.

The previous prime is 74684303. The next prime is 74684321. The reversal of 74684305 is 50348647.

It can be written as a sum of positive squares in 4 ways, for example, as 25010001 + 49674304 = 5001^2 + 7048^2 .

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

It is not a de Polignac number, because 74684305 - 2¹ = 74684303 is a prime.

It is a super-4 number, since 4×74684305⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74684303) 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, 13896 + ... + 18505.

It is an arithmetic number, because the mean of its divisors is an integer number (11227293).

Almost surely, 2^74684305 is an apocalyptic number.

It is an amenable number.

74684305 is a deficient number, since it is larger than the sum of its proper divisors (15134039).

74684305 is a wasteful number, since it uses less digits than its factorization.

74684305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32867.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 74684305 is about 8642.0081578300. The cubic root of 74684305 is about 421.1237949879.

The spelling of 74684305 in words is "seventy-four million, six hundred eighty-four thousand, three hundred five".