736673400673 has 4 divisors (see below), whose sum is σ = 841912457920. Its totient is φ = 631434343428.

The previous prime is 736673400649. The next prime is 736673400719. The reversal of 736673400673 is 376004376637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-736673400673 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 736673400673.

It is not an unprimeable number, because it can be changed into a prime (736673400623) 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, 52619528613 + ... + 52619528626.

It is an arithmetic number, because the mean of its divisors is an integer number (210478114480).

Almost surely, 2^736673400673 is an apocalyptic number.

It is an amenable number.

736673400673 is a deficient number, since it is larger than the sum of its proper divisors (105239057247).

736673400673 is a wasteful number, since it uses less digits than its factorization.

736673400673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105239057246.

The product of its (nonzero) digits is 8001504, while the sum is 52.

The spelling of 736673400673 in words is "seven hundred thirty-six billion, six hundred seventy-three million, four hundred thousand, six hundred seventy-three".