68258545 has 8 divisors (see below), whose sum is σ = 86221440. Its totient is φ = 51732720.

The previous prime is 68258543. The next prime is 68258557. The reversal of 68258545 is 54585286.

68258545 = T₂₆₇₁ + T₂₆₇₂ + ... + T₂₆₈₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68258545 - 2¹ = 68258543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68258543) 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 7 ways as a sum of consecutive naturals, for example, 359161 + ... + 359350.

It is an arithmetic number, because the mean of its divisors is an integer number (10777680).

Almost surely, 2^68258545 is an apocalyptic number.

It is an amenable number.

68258545 is a deficient number, since it is larger than the sum of its proper divisors (17962895).

68258545 is a wasteful number, since it uses less digits than its factorization.

68258545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718535.

The product of its digits is 384000, while the sum is 43.

The square root of 68258545 is about 8261.8729716693. The cubic root of 68258545 is about 408.6821557229.

The spelling of 68258545 in words is "sixty-eight million, two hundred fifty-eight thousand, five hundred forty-five".