68506254 has 12 divisors (see below), whose sum is σ = 148430256. Its totient is φ = 22835412.

The previous prime is 68506247. The next prime is 68506261. The reversal of 68506254 is 45260586.

It is an interprime number because it is at equal distance from previous prime (68506247) and next prime (68506261).

It is a super-2 number, since 2×68506254² = 9386213674225032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 1902934 + ... + 1902969.

It is an arithmetic number, because the mean of its divisors is an integer number (12369188).

Almost surely, 2^68506254 is an apocalyptic number.

68506254 is an abundant number, since it is smaller than the sum of its proper divisors (79924002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68506254 is a wasteful number, since it uses less digits than its factorization.

68506254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805911 (or 3805908 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 68506254 is about 8276.8504879574. The cubic root of 68506254 is about 409.1759255766.

The spelling of 68506254 in words is "sixty-eight million, five hundred six thousand, two hundred fifty-four".