65671375 has 32 divisors (see below), whose sum is σ = 102196224. Its totient is φ = 40932000.

The previous prime is 65671367. The next prime is 65671387. The reversal of 65671375 is 57317656.

It is a happy number.

It is not a de Polignac number, because 65671375 - 2³ = 65671367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6214 + ... + 13036.

It is an arithmetic number, because the mean of its divisors is an integer number (3193632).

Almost surely, 2^65671375 is an apocalyptic number.

65671375 is a deficient number, since it is larger than the sum of its proper divisors (36524849).

65671375 is a wasteful number, since it uses less digits than its factorization.

65671375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6846 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 65671375 is about 8103.7876946524. The cubic root of 65671375 is about 403.4521521543.

The spelling of 65671375 in words is "sixty-five million, six hundred seventy-one thousand, three hundred seventy-five".