65671946 has 16 divisors (see below), whose sum is σ = 102981888. Its totient is φ = 31350000.

The previous prime is 65671927. The next prime is 65671951. The reversal of 65671946 is 64917656.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65671897 and 65671906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33596 + ... + 35496.

It is an arithmetic number, because the mean of its divisors is an integer number (6436368).

Almost surely, 2^65671946 is an apocalyptic number.

65671946 is a deficient number, since it is larger than the sum of its proper divisors (37309942).

65671946 is a wasteful number, since it uses less digits than its factorization.

65671946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677.

The product of its digits is 272160, while the sum is 44.

The square root of 65671946 is about 8103.8229250151. The cubic root of 65671946 is about 403.4533214640.

The spelling of 65671946 in words is "sixty-five million, six hundred seventy-one thousand, nine hundred forty-six".