65450004 has 12 divisors (see below), whose sum is σ = 152716704. Its totient is φ = 21816664.

The previous prime is 65449997. The next prime is 65450009. The reversal of 65450004 is 40005456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65450009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2727072 + ... + 2727095.

It is an arithmetic number, because the mean of its divisors is an integer number (12726392).

Almost surely, 2^65450004 is an apocalyptic number.

It is an amenable number.

65450004 is an abundant number, since it is smaller than the sum of its proper divisors (87266700).

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

65450004 is a wasteful number, since it uses less digits than its factorization.

65450004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454174 (or 5454172 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 65450004 is about 8090.1176752875. The cubic root of 65450004 is about 402.9983108419.

The spelling of 65450004 in words is "sixty-five million, four hundred fifty thousand, four".