65961470 has 16 divisors (see below), whose sum is σ = 123893280. Its totient is φ = 25237344.

The previous prime is 65961463. The next prime is 65961473. The reversal of 65961470 is 7416956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65961473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143165 + ... + 143624.

It is an arithmetic number, because the mean of its divisors is an integer number (7743330).

Almost surely, 2^65961470 is an apocalyptic number.

65961470 is a deficient number, since it is larger than the sum of its proper divisors (57931810).

65961470 is a wasteful number, since it uses less digits than its factorization.

65961470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286819.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 65961470 is about 8121.6667008687. Note that the first 3 decimals coincide. The cubic root of 65961470 is about 404.0453458561.

The spelling of 65961470 in words is "sixty-five million, nine hundred sixty-one thousand, four hundred seventy".