68574733 has 2 divisors, whose sum is σ = 68574734. Its totient is φ = 68574732.

The previous prime is 68574731. The next prime is 68574749. The reversal of 68574733 is 33747586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52678564 + 15896169 = 7258^2 + 3987^2 .

It is a cyclic number.

It is not a de Polignac number, because 68574733 - 2¹ = 68574731 is a prime.

Together with 68574731, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68574733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68574731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34287366 + 34287367.

It is an arithmetic number, because the mean of its divisors is an integer number (34287367).

Almost surely, 2^68574733 is an apocalyptic number.

It is an amenable number.

68574733 is a deficient number, since it is larger than the sum of its proper divisors (1).

68574733 is an equidigital number, since it uses as much as digits as its factorization.

68574733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 68574733 is about 8280.9862335352. The cubic root of 68574733 is about 409.3122178881.

The spelling of 68574733 in words is "sixty-eight million, five hundred seventy-four thousand, seven hundred thirty-three".