68464733 has 6 divisors (see below), whose sum is σ = 72258174. Its totient is φ = 64860984.

The previous prime is 68464723. The next prime is 68464751. The reversal of 68464733 is 33746486.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 17156164 = 7163^2 + 4142^2 .

It is not a de Polignac number, because 68464733 - 2¹⁴ = 68448349 is a prime.

It is a super-2 number, since 2×68464733² = 9374839329522578, 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 (68464723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94466 + ... + 95187.

It is an arithmetic number, because the mean of its divisors is an integer number (12043029).

Almost surely, 2^68464733 is an apocalyptic number.

It is an amenable number.

68464733 is a deficient number, since it is larger than the sum of its proper divisors (3793441).

68464733 is a wasteful number, since it uses less digits than its factorization.

68464733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189691 (or 189672 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 68464733 is about 8274.3418469386. The cubic root of 68464733 is about 409.0932429691.

The spelling of 68464733 in words is "sixty-eight million, four hundred sixty-four thousand, seven hundred thirty-three".