65074320 has 160 divisors (see below), whose sum is σ = 229271040. Its totient is φ = 16957440.

The previous prime is 65074319. The next prime is 65074343. The reversal of 65074320 is 2347056.

It is a happy number.

65074320 is a `hidden beast` number, since 650 + 7 + 4 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101200 + ... + 101840.

It is an arithmetic number, because the mean of its divisors is an integer number (1432944).

Almost surely, 2^65074320 is an apocalyptic number.

65074320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65074320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114635520).

65074320 is an abundant number, since it is smaller than the sum of its proper divisors (164196720).

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

65074320 is a wasteful number, since it uses less digits than its factorization.

65074320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 65074320 is about 8066.8655622863. The cubic root of 65074320 is about 402.2257586906.

The spelling of 65074320 in words is "sixty-five million, seventy-four thousand, three hundred twenty".