65444732 has 12 divisors (see below), whose sum is σ = 115105200. Its totient is φ = 32557536.

The previous prime is 65444723. The next prime is 65444737. The reversal of 65444732 is 23744456.

It is a super-3 number, since 3×65444732³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65444692 and 65444701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65444737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40313 + ... + 41904.

It is an arithmetic number, because the mean of its divisors is an integer number (9592100).

Almost surely, 2^65444732 is an apocalyptic number.

It is an amenable number.

65444732 is a deficient number, since it is larger than the sum of its proper divisors (49660468).

65444732 is a wasteful number, since it uses less digits than its factorization.

65444732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82420 (or 82418 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 65444732 is about 8089.7918391019. The cubic root of 65444732 is about 402.9874900422.

The spelling of 65444732 in words is "sixty-five million, four hundred forty-four thousand, seven hundred thirty-two".