74805455 has 4 divisors (see below), whose sum is σ = 89766552. Its totient is φ = 59844360.

The previous prime is 74805439. The next prime is 74805463. The reversal of 74805455 is 55450847.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74805455 - 2⁴ = 74805439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7480541 + ... + 7480550.

It is an arithmetic number, because the mean of its divisors is an integer number (22441638).

Almost surely, 2^74805455 is an apocalyptic number.

74805455 is a deficient number, since it is larger than the sum of its proper divisors (14961097).

74805455 is a wasteful number, since it uses less digits than its factorization.

74805455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14961096.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 74805455 is about 8649.0146837660. The cubic root of 74805455 is about 421.3513822322.

The spelling of 74805455 in words is "seventy-four million, eight hundred five thousand, four hundred fifty-five".