740734066673 has 8 divisors (see below), whose sum is σ = 759247965000. Its totient is φ = 722241464320.

The previous prime is 740734066627. The next prime is 740734066679. The reversal of 740734066673 is 376660437047.

It can be written as a sum of positive squares in 4 ways, for example, as 196432444849 + 544301621824 = 443207^2 + 737768^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 740734066673 - 2³² = 736439099377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740734066679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5253548 + ... + 5392701.

It is an arithmetic number, because the mean of its divisors is an integer number (94905995625).

Almost surely, 2^740734066673 is an apocalyptic number.

It is an amenable number.

740734066673 is a deficient number, since it is larger than the sum of its proper divisors (18513898327).

740734066673 is a wasteful number, since it uses less digits than its factorization.

740734066673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647987.

The product of its (nonzero) digits is 10668672, while the sum is 53.

The spelling of 740734066673 in words is "seven hundred forty billion, seven hundred thirty-four million, sixty-six thousand, six hundred seventy-three".