742613617 has 2 divisors, whose sum is σ = 742613618. Its totient is φ = 742613616.

The previous prime is 742613609. The next prime is 742613629. The reversal of 742613617 is 716316247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710169201 + 32444416 = 26649^2 + 5696^2 .

It is an emirp because it is prime and its reverse (716316247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742613617 - 2³ = 742613609 is a prime.

It is not a weakly prime, because it can be changed into another prime (742613647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371306808 + 371306809.

It is an arithmetic number, because the mean of its divisors is an integer number (371306809).

Almost surely, 2^742613617 is an apocalyptic number.

It is an amenable number.

742613617 is a deficient number, since it is larger than the sum of its proper divisors (1).

742613617 is an equidigital number, since it uses as much as digits as its factorization.

742613617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 742613617 is about 27250.9379104647. The cubic root of 742613617 is about 905.5677956607.

The spelling of 742613617 in words is "seven hundred forty-two million, six hundred thirteen thousand, six hundred seventeen".