74535453503 has 4 divisors (see below), whose sum is σ = 85183375440. Its totient is φ = 63887531568.

The previous prime is 74535453451. The next prime is 74535453521. The reversal of 74535453503 is 30535453547.

It is a happy number.

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

It is not a de Polignac number, because 74535453503 - 2¹² = 74535449407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74535453103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5323960958 + ... + 5323960971.

It is an arithmetic number, because the mean of its divisors is an integer number (21295843860).

Almost surely, 2^74535453503 is an apocalyptic number.

74535453503 is a deficient number, since it is larger than the sum of its proper divisors (10647921937).

74535453503 is a wasteful number, since it uses less digits than its factorization.

74535453503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647921936.

The product of its (nonzero) digits is 1890000, while the sum is 44.

Adding to 74535453503 its sum of digits (44), we get a palindrome (74535453547).

The spelling of 74535453503 in words is "seventy-four billion, five hundred thirty-five million, four hundred fifty-three thousand, five hundred three".