74004553 has 24 divisors (see below), whose sum is σ = 92475432. Its totient is φ = 58834944.

The previous prime is 74004509. The next prime is 74004583. The reversal of 74004553 is 35540047.

It can be written as a sum of positive squares in 4 ways, for example, as 16426809 + 57577744 = 4053^2 + 7588^2 .

It is not a de Polignac number, because 74004553 - 2²¹ = 71907401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74004503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60201 + ... + 61417.

It is an arithmetic number, because the mean of its divisors is an integer number (3853143).

Almost surely, 2^74004553 is an apocalyptic number.

74004553 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

74004553 is a deficient number, since it is larger than the sum of its proper divisors (18470879).

74004553 is a wasteful number, since it uses less digits than its factorization.

74004553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 74004553 is about 8602.5899007218. The cubic root of 74004553 is about 419.8422555763.

The spelling of 74004553 in words is "seventy-four million, four thousand, five hundred fifty-three".