65472030 has 128 divisors (see below), whose sum is σ = 196439040. Its totient is φ = 15396480.

The previous prime is 65472019. The next prime is 65472037. The reversal of 65472030 is 3027456.

It is a happy number.

65472030 is a `hidden beast` number, since 654 + 7 + 2 + 0 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 65471985 and 65472003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65472037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80325 + ... + 81135.

It is an arithmetic number, because the mean of its divisors is an integer number (1534680).

Almost surely, 2^65472030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65472030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98219520).

65472030 is an abundant number, since it is smaller than the sum of its proper divisors (130967010).

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

65472030 is a wasteful number, since it uses less digits than its factorization.

65472030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 857 counting only the distinct ones).

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

The square root of 65472030 is about 8091.4788512360. The cubic root of 65472030 is about 403.0435130049.

Adding to 65472030 its reverse (3027456), we get a palindrome (68499486).

The spelling of 65472030 in words is "sixty-five million, four hundred seventy-two thousand, thirty".