68974153 has 2 divisors, whose sum is σ = 68974154. Its totient is φ = 68974152.

The previous prime is 68974141. The next prime is 68974159. The reversal of 68974153 is 35147986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 22024249 = 6852^2 + 4693^2 .

It is a cyclic number.

It is not a de Polignac number, because 68974153 - 2¹³ = 68965961 is a prime.

It is not a weakly prime, because it can be changed into another prime (68974159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34487076 + 34487077.

It is an arithmetic number, because the mean of its divisors is an integer number (34487077).

Almost surely, 2^68974153 is an apocalyptic number.

It is an amenable number.

68974153 is a deficient number, since it is larger than the sum of its proper divisors (1).

68974153 is an equidigital number, since it uses as much as digits as its factorization.

68974153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 68974153 is about 8305.0679106194. The cubic root of 68974153 is about 410.1053724801.

The spelling of 68974153 in words is "sixty-eight million, nine hundred seventy-four thousand, one hundred fifty-three".