65672296 has 8 divisors (see below), whose sum is σ = 123135570. Its totient is φ = 32836144.

The previous prime is 65672287. The next prime is 65672297. The reversal of 65672296 is 69227656.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 29311396 = 6030^2 + 5414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (65672297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104511 + ... + 4104526.

Almost surely, 2^65672296 is an apocalyptic number.

It is an amenable number.

65672296 is a deficient number, since it is larger than the sum of its proper divisors (57463274).

65672296 is a wasteful number, since it uses less digits than its factorization.

65672296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209043 (or 8209039 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 65672296 is about 8103.8445197326. The cubic root of 65672296 is about 403.4540382003.

The spelling of 65672296 in words is "sixty-five million, six hundred seventy-two thousand, two hundred ninety-six".