65437152 has 48 divisors (see below), whose sum is σ = 187391232. Its totient is φ = 19829120.

The previous prime is 65437103. The next prime is 65437153. The reversal of 65437152 is 25173456.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×65437152² = 8564041723742208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65437153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29928 + ... + 32039.

It is an arithmetic number, because the mean of its divisors is an integer number (3903984).

Almost surely, 2^65437152 is an apocalyptic number.

It is an amenable number.

65437152 is an abundant number, since it is smaller than the sum of its proper divisors (121954080).

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

65437152 is a wasteful number, since it uses less digits than its factorization.

65437152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61991 (or 61983 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 65437152 is about 8089.3233338766. The cubic root of 65437152 is about 402.9719310455.

It can be divided in two parts, 6543 and 7152, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 65437152 in words is "sixty-five million, four hundred thirty-seven thousand, one hundred fifty-two".