740423356617277 has 4 divisors (see below), whose sum is σ = 740423860703100. Its totient is φ = 740422852531456.

The previous prime is 740423356617247. The next prime is 740423356617359. The reversal of 740423356617277 is 772716653324047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 625480642371321 + 114942714245956 = 25009611^2 + 10721134^2 .

It is a cyclic number.

It is not a de Polignac number, because 740423356617277 - 2¹⁹ = 740423356092989 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 (740423356617247) 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, 249833188 + ... + 252779485.

It is an arithmetic number, because the mean of its divisors is an integer number (185105965175775).

Almost surely, 2^{740423356617277} is an apocalyptic number.

It is an amenable number.

740423356617277 is a deficient number, since it is larger than the sum of its proper divisors (504085823).

740423356617277 is a wasteful number, since it uses less digits than its factorization.

740423356617277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504085822.

The product of its (nonzero) digits is 248935680, while the sum is 64.

The spelling of 740423356617277 in words is "seven hundred forty trillion, four hundred twenty-three billion, three hundred fifty-six million, six hundred seventeen thousand, two hundred seventy-seven".