74585069 has 8 divisors (see below), whose sum is σ = 85047480. Its totient is φ = 64797696.

The previous prime is 74585057. The next prime is 74585087. The reversal of 74585069 is 96058547.

It can be written as a sum of positive squares in 4 ways, for example, as 29560969 + 45024100 = 5437^2 + 6710^2 .

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 74585069 - 2²⁴ = 57807853 is a prime.

It is a super-2 number, since 2×74585069² = 11125865035469522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74585869) 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, 168524 + ... + 168965.

It is an arithmetic number, because the mean of its divisors is an integer number (10630935).

Almost surely, 2^74585069 is an apocalyptic number.

It is an amenable number.

74585069 is a deficient number, since it is larger than the sum of its proper divisors (10462411).

74585069 is a wasteful number, since it uses less digits than its factorization.

74585069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337519.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 74585069 is about 8636.2647597211. The cubic root of 74585069 is about 420.9371910144.

The spelling of 74585069 in words is "seventy-four million, five hundred eighty-five thousand, sixty-nine".