73731427453 has 16 divisors (see below), whose sum is σ = 74368419840. Its totient is φ = 73098144000.

The previous prime is 73731427387. The next prime is 73731427507. The reversal of 73731427453 is 35472413737.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73731427453 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 (73731428453) 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 15 ways as a sum of consecutive naturals, for example, 102546828 + ... + 102547546.

It is an arithmetic number, because the mean of its divisors is an integer number (4648026240).

Almost surely, 2^73731427453 is an apocalyptic number.

It is an amenable number.

73731427453 is a deficient number, since it is larger than the sum of its proper divisors (636992387).

73731427453 is a wasteful number, since it uses less digits than its factorization.

73731427453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its digits is 1481760, while the sum is 46.

The spelling of 73731427453 in words is "seventy-three billion, seven hundred thirty-one million, four hundred twenty-seven thousand, four hundred fifty-three".