742557585337 has 4 divisors (see below), whose sum is σ = 786237443316. Its totient is φ = 698877727360.

The previous prime is 742557585317. The next prime is 742557585409. The reversal of 742557585337 is 733585755247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 733585755247 = 457 ⋅1605220471.

It can be written as a sum of positive squares in 2 ways, for example, as 529257705001 + 213299880336 = 727501^2 + 461844^2 .

It is a cyclic number.

It is not a de Polignac number, because 742557585337 - 2¹¹ = 742557583289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742557585317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21839928964 + ... + 21839928997.

It is an arithmetic number, because the mean of its divisors is an integer number (196559360829).

Almost surely, 2^742557585337 is an apocalyptic number.

It is an amenable number.

742557585337 is a deficient number, since it is larger than the sum of its proper divisors (43679857979).

742557585337 is a wasteful number, since it uses less digits than its factorization.

742557585337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43679857978.

The product of its digits is 123480000, while the sum is 61.

The spelling of 742557585337 in words is "seven hundred forty-two billion, five hundred fifty-seven million, five hundred eighty-five thousand, three hundred thirty-seven".