74560505 has 8 divisors (see below), whose sum is σ = 90395592. Its totient is φ = 59033088.

The previous prime is 74560459. The next prime is 74560511. The reversal of 74560505 is 50506547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7795264 + 66765241 = 2792^2 + 8171^2 .

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 74560505 - 2⁶ = 74560441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76382 + ... + 77351.

It is an arithmetic number, because the mean of its divisors is an integer number (11299449).

Almost surely, 2^74560505 is an apocalyptic number.

It is an amenable number.

74560505 is a deficient number, since it is larger than the sum of its proper divisors (15835087).

74560505 is a wasteful number, since it uses less digits than its factorization.

74560505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153835.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 74560505 is about 8634.8425000112. The cubic root of 74560505 is about 420.8909751671.

The spelling of 74560505 in words is "seventy-four million, five hundred sixty thousand, five hundred five".