65743091 has 4 divisors (see below), whose sum is σ = 65778072. Its totient is φ = 65708112.

The previous prime is 65743081. The next prime is 65743103. The reversal of 65743091 is 19034756.

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 65743091 - 2¹⁰ = 65742067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65743031) 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, 14501 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (16444518).

Almost surely, 2^65743091 is an apocalyptic number.

65743091 is a deficient number, since it is larger than the sum of its proper divisors (34981).

65743091 is a wasteful number, since it uses less digits than its factorization.

65743091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34980.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 65743091 is about 8108.2113317303. The cubic root of 65743091 is about 403.5989611638.

The spelling of 65743091 in words is "sixty-five million, seven hundred forty-three thousand, ninety-one".