65373743 has 4 divisors (see below), whose sum is σ = 67628040. Its totient is φ = 63119448.

The previous prime is 65373739. The next prime is 65373773. The reversal of 65373743 is 34737356.

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 65373743 - 2² = 65373739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65373697 and 65373706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65373733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127105 + ... + 1127162.

It is an arithmetic number, because the mean of its divisors is an integer number (16907010).

Almost surely, 2^65373743 is an apocalyptic number.

65373743 is a deficient number, since it is larger than the sum of its proper divisors (2254297).

65373743 is a wasteful number, since it uses less digits than its factorization.

65373743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254296.

The product of its digits is 158760, while the sum is 38.

The square root of 65373743 is about 8085.4030820980. The cubic root of 65373743 is about 402.8417282264.

The spelling of 65373743 in words is "sixty-five million, three hundred seventy-three thousand, seven hundred forty-three".