68257662 has 16 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 20684120.

The previous prime is 68257627. The next prime is 68257667. The reversal of 68257662 is 26675286.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68257667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517038 + ... + 517169.

It is an arithmetic number, because the mean of its divisors is an integer number (9307872).

Almost surely, 2^68257662 is an apocalyptic number.

68257662 is an abundant number, since it is smaller than the sum of its proper divisors (80668290).

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

68257662 is a wasteful number, since it uses less digits than its factorization.

68257662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034223.

The product of its digits is 241920, while the sum is 42.

The square root of 68257662 is about 8261.8195332505. The cubic root of 68257662 is about 408.6803934630.

The spelling of 68257662 in words is "sixty-eight million, two hundred fifty-seven thousand, six hundred sixty-two".