65672959 has 16 divisors (see below), whose sum is σ = 74442240. Its totient is φ = 57415360.

The previous prime is 65672933. The next prime is 65672983. The reversal of 65672959 is 95927656.

It is a cyclic number.

It is not a de Polignac number, because 65672959 - 2²³ = 57284351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65672909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29427 + ... + 31579.

It is an arithmetic number, because the mean of its divisors is an integer number (4652640).

Almost surely, 2^65672959 is an apocalyptic number.

65672959 is a deficient number, since it is larger than the sum of its proper divisors (8769281).

65672959 is a wasteful number, since it uses less digits than its factorization.

65672959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270.

The product of its digits is 1020600, while the sum is 49.

The square root of 65672959 is about 8103.8854261397. The cubic root of 65672959 is about 403.4553958967.

The spelling of 65672959 in words is "sixty-five million, six hundred seventy-two thousand, nine hundred fifty-nine".