74052553 has 4 divisors (see below), whose sum is σ = 74549700. Its totient is φ = 73555408.

The previous prime is 74052551. The next prime is 74052569. The reversal of 74052553 is 35525047.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4112784 + 69939769 = 2028^2 + 8363^2 .

It is a cyclic number.

It is not a de Polignac number, because 74052553 - 2¹ = 74052551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74052551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248350 + ... + 248647.

It is an arithmetic number, because the mean of its divisors is an integer number (18637425).

Almost surely, 2^74052553 is an apocalyptic number.

It is an amenable number.

74052553 is a deficient number, since it is larger than the sum of its proper divisors (497147).

74052553 is a wasteful number, since it uses less digits than its factorization.

74052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497146.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 74052553 is about 8605.3793059923. The cubic root of 74052553 is about 419.9330070774.

The spelling of 74052553 in words is "seventy-four million, fifty-two thousand, five hundred fifty-three".