73012259743 has 4 divisors (see below), whose sum is σ = 74793046608. Its totient is φ = 71231472880.

The previous prime is 73012259731. The next prime is 73012259779. The reversal of 73012259743 is 34795221037.

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 73012259743 - 2⁵ = 73012259711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73012259743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73012259713) 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, 890393371 + ... + 890393452.

It is an arithmetic number, because the mean of its divisors is an integer number (18698261652).

Almost surely, 2^73012259743 is an apocalyptic number.

73012259743 is a deficient number, since it is larger than the sum of its proper divisors (1780786865).

73012259743 is a wasteful number, since it uses less digits than its factorization.

73012259743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780786864.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 73012259743 in words is "seventy-three billion, twelve million, two hundred fifty-nine thousand, seven hundred forty-three".