65772343 has 16 divisors (see below), whose sum is σ = 82067776. Its totient is φ = 51321600.

The previous prime is 65772331. The next prime is 65772361. The reversal of 65772343 is 34327756.

It is a cyclic number.

It is not a de Polignac number, because 65772343 - 2¹⁷ = 65641271 is a prime.

It is a super-2 number, since 2×65772343² = 8652002207419298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65772043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (5129236).

Almost surely, 2^65772343 is an apocalyptic number.

65772343 is a deficient number, since it is larger than the sum of its proper divisors (16295433).

65772343 is a wasteful number, since it uses less digits than its factorization.

65772343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994.

The product of its digits is 105840, while the sum is 37.

The square root of 65772343 is about 8110.0149814905. The cubic root of 65772343 is about 403.6588119458.

The spelling of 65772343 in words is "sixty-five million, seven hundred seventy-two thousand, three hundred forty-three".