74609005 has 16 divisors (see below), whose sum is σ = 95785200. Its totient is φ = 55590912.

The previous prime is 74608979. The next prime is 74609009. The reversal of 74609005 is 50090647.

It can be written as a sum of positive squares in 8 ways, for example, as 3948169 + 70660836 = 1987^2 + 8406^2 .

It is a cyclic number.

It is not a de Polignac number, because 74609005 - 2⁹ = 74608493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74609009) 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, 3721 + ... + 12769.

It is an arithmetic number, because the mean of its divisors is an integer number (5986575).

Almost surely, 2^74609005 is an apocalyptic number.

It is an amenable number.

74609005 is a deficient number, since it is larger than the sum of its proper divisors (21176195).

74609005 is a wasteful number, since it uses less digits than its factorization.

74609005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 74609005 is about 8637.6504328434. The cubic root of 74609005 is about 420.9822155531.

The spelling of 74609005 in words is "seventy-four million, six hundred nine thousand, five".