65369472 has 128 divisors (see below), whose sum is σ = 201519360. Its totient is φ = 18388992.

The previous prime is 65369467. The next prime is 65369489. The reversal of 65369472 is 27496356.

65369472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222958 + ... + 223250.

It is an arithmetic number, because the mean of its divisors is an integer number (1574370).

Almost surely, 2^65369472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65369472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100759680).

65369472 is an abundant number, since it is smaller than the sum of its proper divisors (136149888).

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

65369472 is a wasteful number, since it uses less digits than its factorization.

65369472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 388 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 65369472 is about 8085.1389598448. The cubic root of 65369472 is about 402.8329552114.

It can be divided in two parts, 653 and 69472, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 65369472 in words is "sixty-five million, three hundred sixty-nine thousand, four hundred seventy-two".