65734251732 has 72 divisors (see below), whose sum is σ = 172414884096. Its totient is φ = 21898807488.

The previous prime is 65734251731. The next prime is 65734251733. The reversal of 65734251732 is 23715243756.

65734251732 is a `hidden beast` number, since 6 + 57 + 3 + 425 + 173 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (65734251731) and next prime (65734251733).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65734251731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1753408 + ... + 1790504.

It is an arithmetic number, because the mean of its divisors is an integer number (2394651168).

Almost surely, 2^65734251732 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 65734251732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86207442048).

65734251732 is an abundant number, since it is smaller than the sum of its proper divisors (106680632364).

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

65734251732 is a wasteful number, since it uses less digits than its factorization.

65734251732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38939 (or 38925 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 65734251732 in words is "sixty-five billion, seven hundred thirty-four million, two hundred fifty-one thousand, seven hundred thirty-two".