65450814 has 32 divisors (see below), whose sum is σ = 153788544. Its totient is φ = 18307680.

The previous prime is 65450797. The next prime is 65450821. The reversal of 65450814 is 41805456.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 37284 + ... + 38999.

It is an arithmetic number, because the mean of its divisors is an integer number (4805892).

Almost surely, 2^65450814 is an apocalyptic number.

65450814 is an abundant number, since it is smaller than the sum of its proper divisors (88337730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65450814 is a wasteful number, since it uses less digits than its factorization.

65450814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76312.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 65450814 is about 8090.1677362092. The cubic root of 65450814 is about 402.9999733184. Note that the first 4 decimals are identical.

The spelling of 65450814 in words is "sixty-five million, four hundred fifty thousand, eight hundred fourteen".