65754739 has 4 divisors (see below), whose sum is σ = 67153824. Its totient is φ = 64355656.

The previous prime is 65754709. The next prime is 65754749. The reversal of 65754739 is 93745756.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65754739 - 2¹¹ = 65752691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65754709) 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, 699472 + ... + 699565.

It is an arithmetic number, because the mean of its divisors is an integer number (16788456).

Almost surely, 2^65754739 is an apocalyptic number.

65754739 is a deficient number, since it is larger than the sum of its proper divisors (1399085).

65754739 is a wasteful number, since it uses less digits than its factorization.

65754739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399084.

The product of its digits is 793800, while the sum is 46.

The square root of 65754739 is about 8108.9295841066. The cubic root of 65754739 is about 403.6227955724.

The spelling of 65754739 in words is "sixty-five million, seven hundred fifty-four thousand, seven hundred thirty-nine".