65017745 has 8 divisors (see below), whose sum is σ = 84023016. Its totient is φ = 48013056.

The previous prime is 65017723. The next prime is 65017783. The reversal of 65017745 is 54771056.

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 65011969 = 76^2 + 8063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65017745 - 2⁸ = 65017489 is a prime.

It is a Duffinian number.

65017745 is a modest number, since divided by 17745 gives 65 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500072 + ... + 500201.

It is an arithmetic number, because the mean of its divisors is an integer number (10502877).

Almost surely, 2^65017745 is an apocalyptic number.

65017745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65017745 is a deficient number, since it is larger than the sum of its proper divisors (19005271).

65017745 is a wasteful number, since it uses less digits than its factorization.

65017745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000291.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 65017745 is about 8063.3581713824. The cubic root of 65017745 is about 402.1091611343.

The spelling of 65017745 in words is "sixty-five million, seventeen thousand, seven hundred forty-five".