65537472 has 336 divisors, whose sum is σ = 242149376. Its totient is φ = 15206400.

The previous prime is 65537453. The next prime is 65537509. The reversal of 65537472 is 27473556.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 65537472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2114097 + ... + 2114127.

Almost surely, 2^65537472 is an apocalyptic number.

65537472 is a gapful number since it is divisible by the number (62) 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 65537472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121074688).

65537472 is an abundant number, since it is smaller than the sum of its proper divisors (176611904).

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

65537472 is a wasteful number, since it uses less digits than its factorization.

65537472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 67 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 65537472 is about 8095.5217250033. The cubic root of 65537472 is about 403.1777545046.

The spelling of 65537472 in words is "sixty-five million, five hundred thirty-seven thousand, four hundred seventy-two".