74530455 has 32 divisors (see below), whose sum is σ = 122316480. Its totient is φ = 38737920.

The previous prime is 74530441. The next prime is 74530459. The reversal of 74530455 is 55403547.

It is not a de Polignac number, because 74530455 - 2⁴ = 74530439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74530459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191401 + ... + 191789.

It is an arithmetic number, because the mean of its divisors is an integer number (3822390).

Almost surely, 2^74530455 is an apocalyptic number.

74530455 is a deficient number, since it is larger than the sum of its proper divisors (47786025).

74530455 is a wasteful number, since it uses less digits than its factorization.

74530455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 74530455 is about 8633.1022813355. The cubic root of 74530455 is about 420.8344238990.

The spelling of 74530455 in words is "seventy-four million, five hundred thirty thousand, four hundred fifty-five".