65448737 has 8 divisors (see below), whose sum is σ = 68523840. Its totient is φ = 62428240.

The previous prime is 65448701. The next prime is 65448763. The reversal of 65448737 is 73784456.

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

It is a cyclic number.

It is not a de Polignac number, because 65448737 - 2¹⁰ = 65447713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65448767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11189 + ... + 16002.

It is an arithmetic number, because the mean of its divisors is an integer number (8565480).

Almost surely, 2^65448737 is an apocalyptic number.

It is an amenable number.

65448737 is a deficient number, since it is larger than the sum of its proper divisors (3075103).

65448737 is a wasteful number, since it uses less digits than its factorization.

65448737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27303.

The product of its digits is 564480, while the sum is 44.

The square root of 65448737 is about 8090.0393694963. The cubic root of 65448737 is about 402.9957103727.

The spelling of 65448737 in words is "sixty-five million, four hundred forty-eight thousand, seven hundred thirty-seven".