74705505 has 64 divisors (see below), whose sum is σ = 143769600. Its totient is φ = 32405760.

The previous prime is 74705503. The next prime is 74705507. The reversal of 74705505 is 50550747.

It is an interprime number because it is at equal distance from previous prime (74705503) and next prime (74705507).

It is not a de Polignac number, because 74705505 - 2¹ = 74705503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74705503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191851 + ... + 192239.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^74705505 is an apocalyptic number.

It is an amenable number.

74705505 is a deficient number, since it is larger than the sum of its proper divisors (69064095).

74705505 is a wasteful number, since it uses less digits than its factorization.

74705505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 74705505 is about 8643.2346375648. The cubic root of 74705505 is about 421.1636381644.

The spelling of 74705505 in words is "seventy-four million, seven hundred five thousand, five hundred five".