74503325431 has 4 divisors (see below), whose sum is σ = 74504589264. Its totient is φ = 74502061600.

The previous prime is 74503325417. The next prime is 74503325453. The reversal of 74503325431 is 13452330547.

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

It is a cyclic number.

It is not a de Polignac number, because 74503325431 - 2¹⁹ = 74502801143 is a prime.

It is a super-2 number, since 2×74503325431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74503325461) 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, 538930 + ... + 662911.

It is an arithmetic number, because the mean of its divisors is an integer number (18626147316).

Almost surely, 2^74503325431 is an apocalyptic number.

74503325431 is a deficient number, since it is larger than the sum of its proper divisors (1263833).

74503325431 is a wasteful number, since it uses less digits than its factorization.

74503325431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263832.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 74503325431 its reverse (13452330547), we get a palindrome (87955655978).

The spelling of 74503325431 in words is "seventy-four billion, five hundred three million, three hundred twenty-five thousand, four hundred thirty-one".