68332433 has 4 divisors (see below), whose sum is σ = 73588788. Its totient is φ = 63076080.

The previous prime is 68332409. The next prime is 68332499. The reversal of 68332433 is 33423386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33423386 = 2 ⋅16711693.

It can be written as a sum of positive squares in 2 ways, for example, as 40157569 + 28174864 = 6337^2 + 5308^2 .

It is a cyclic number.

It is not a de Polignac number, because 68332433 - 2⁸ = 68332177 is a prime.

It is a super-4 number, since 4×68332433⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68332433.

It is not an unprimeable number, because it can be changed into a prime (68332933) 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 3 ways as a sum of consecutive naturals, for example, 2628158 + ... + 2628183.

It is an arithmetic number, because the mean of its divisors is an integer number (18397197).

Almost surely, 2^68332433 is an apocalyptic number.

It is an amenable number.

68332433 is a deficient number, since it is larger than the sum of its proper divisors (5256355).

68332433 is a wasteful number, since it uses less digits than its factorization.

68332433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256354.

The product of its digits is 31104, while the sum is 32.

The square root of 68332433 is about 8266.3433874961. The cubic root of 68332433 is about 408.8295649494.

The spelling of 68332433 in words is "sixty-eight million, three hundred thirty-two thousand, four hundred thirty-three".