65126773 has 4 divisors (see below), whose sum is σ = 65198560. Its totient is φ = 65054988.

The previous prime is 65126767. The next prime is 65126791. The reversal of 65126773 is 37762156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65126773 - 2⁵ = 65126741 is a prime.

It is a super-2 number, since 2×65126773² = 8482993122787058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65126713) 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, 34515 + ... + 36352.

It is an arithmetic number, because the mean of its divisors is an integer number (16299640).

Almost surely, 2^65126773 is an apocalyptic number.

It is an amenable number.

65126773 is a deficient number, since it is larger than the sum of its proper divisors (71787).

65126773 is an equidigital number, since it uses as much as digits as its factorization.

65126773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71786.

The product of its digits is 52920, while the sum is 37.

The square root of 65126773 is about 8070.1160462536. The cubic root of 65126773 is about 402.3338007037. Note that the first 3 decimals are identical.

The spelling of 65126773 in words is "sixty-five million, one hundred twenty-six thousand, seven hundred seventy-three".