65424836 has 6 divisors (see below), whose sum is σ = 114493470. Its totient is φ = 32712416.

The previous prime is 65424817. The next prime is 65424839. The reversal of 65424836 is 63842456.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 23951236 = 6440^2 + 4894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65424836.

It is not an unprimeable number, because it can be changed into a prime (65424839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8178101 + ... + 8178108.

It is an arithmetic number, because the mean of its divisors is an integer number (19082245).

Almost surely, 2^65424836 is an apocalyptic number.

It is an amenable number.

65424836 is a deficient number, since it is larger than the sum of its proper divisors (49068634).

65424836 is a wasteful number, since it uses less digits than its factorization.

65424836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16356213 (or 16356211 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 65424836 is about 8088.5620477314. The cubic root of 65424836 is about 402.9466481924.

The spelling of 65424836 in words is "sixty-five million, four hundred twenty-four thousand, eight hundred thirty-six".