102744617 has 4 divisors (see below), whose sum is σ = 108788436. Its totient is φ = 96700800.

The previous prime is 102744601. The next prime is 102744623. The reversal of 102744617 is 716447201.

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 62663056 + 40081561 = 7916^2 + 6331^2 .

It is a cyclic number.

It is not a de Polignac number, because 102744617 - 2⁴ = 102744601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102744637) 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 in 3 ways as a sum of consecutive naturals, for example, 3021884 + ... + 3021917.

It is an arithmetic number, because the mean of its divisors is an integer number (27197109).

Almost surely, 2^102744617 is an apocalyptic number.

102744617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

102744617 is a deficient number, since it is larger than the sum of its proper divisors (6043819).

102744617 is an equidigital number, since it uses as much as digits as its factorization.

102744617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043818.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 102744617 is about 10136.3019390703. The cubic root of 102744617 is about 468.3670766190.

The spelling of 102744617 in words is "one hundred two million, seven hundred forty-four thousand, six hundred seventeen".