742520246365 has 4 divisors (see below), whose sum is σ = 891024295644. Its totient is φ = 594016197088.

The previous prime is 742520246353. The next prime is 742520246371. The reversal of 742520246365 is 563642025247.

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 456281336196 + 286238910169 = 675486^2 + 535013^2 .

It is a cyclic number.

It is not a de Polignac number, because 742520246365 - 2⁹ = 742520245853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74252024632 + ... + 74252024641.

It is an arithmetic number, because the mean of its divisors is an integer number (222756073911).

Almost surely, 2^742520246365 is an apocalyptic number.

It is an amenable number.

742520246365 is a deficient number, since it is larger than the sum of its proper divisors (148504049279).

742520246365 is a wasteful number, since it uses less digits than its factorization.

742520246365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148504049278.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 742520246365 in words is "seven hundred forty-two billion, five hundred twenty million, two hundred forty-six thousand, three hundred sixty-five".