65481804 has 24 divisors (see below), whose sum is σ = 169767920. Its totient is φ = 21827232.

The previous prime is 65481751. The next prime is 65481817. The reversal of 65481804 is 40818456.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303049 + ... + 303264.

Almost surely, 2^65481804 is an apocalyptic number.

It is an amenable number.

65481804 is an abundant number, since it is smaller than the sum of its proper divisors (104286116).

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

65481804 is a wasteful number, since it uses less digits than its factorization.

65481804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606326 (or 606318 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 65481804 is about 8092.0827974014. The cubic root of 65481804 is about 403.0635681403.

The spelling of 65481804 in words is "sixty-five million, four hundred eighty-one thousand, eight hundred four".