65412478 has 12 divisors (see below), whose sum is σ = 103555800. Its totient is φ = 30984516.

The previous prime is 65412469. The next prime is 65412491. The reversal of 65412478 is 87421456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44578 + ... + 46021.

It is an arithmetic number, because the mean of its divisors is an integer number (8629650).

Almost surely, 2^65412478 is an apocalyptic number.

65412478 is a deficient number, since it is larger than the sum of its proper divisors (38143322).

65412478 is a wasteful number, since it uses less digits than its factorization.

65412478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90639 (or 90620 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 65412478 is about 8087.7980934244. The cubic root of 65412478 is about 402.9212759304.

The spelling of 65412478 in words is "sixty-five million, four hundred twelve thousand, four hundred seventy-eight".