65448873 has 24 divisors (see below), whose sum is σ = 108845568. Its totient is φ = 37121472.

The previous prime is 65448871. The next prime is 65448937. The reversal of 65448873 is 37884456.

It is not a de Polignac number, because 65448873 - 2¹ = 65448871 is a prime.

It is a super-5 number, since 5×65448873⁵ (a number of 40 digits) contains 55555 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65448871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4840 + ... + 12422.

It is an arithmetic number, because the mean of its divisors is an integer number (4535232).

Almost surely, 2^65448873 is an apocalyptic number.

65448873 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

65448873 is a deficient number, since it is larger than the sum of its proper divisors (43396695).

65448873 is a wasteful number, since it uses less digits than its factorization.

65448873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733 (or 7730 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 65448873 is about 8090.0477748898. The cubic root of 65448873 is about 402.9959895091.

The spelling of 65448873 in words is "sixty-five million, four hundred forty-eight thousand, eight hundred seventy-three".