73742452445 has 16 divisors (see below), whose sum is σ = 88828766208. Its totient is φ = 58768976640.

The previous prime is 73742452417. The next prime is 73742452451. The reversal of 73742452445 is 54425424737.

It is not a de Polignac number, because 73742452445 - 2¹⁶ = 73742386909 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 73742452445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2749892 + ... + 2776578.

It is an arithmetic number, because the mean of its divisors is an integer number (5551797888).

Almost surely, 2^73742452445 is an apocalyptic number.

It is an amenable number.

73742452445 is a deficient number, since it is larger than the sum of its proper divisors (15086313763).

73742452445 is a wasteful number, since it uses less digits than its factorization.

73742452445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28780.

The product of its digits is 3763200, while the sum is 47.

The spelling of 73742452445 in words is "seventy-three billion, seven hundred forty-two million, four hundred fifty-two thousand, four hundred forty-five".