68353245 has 48 divisors (see below), whose sum is σ = 123859632. Its totient is φ = 34836480.

The previous prime is 68353231. The next prime is 68353289. The reversal of 68353245 is 54235386.

It is a happy number.

68353245 is a `hidden beast` number, since 6 + 83 + 532 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3663396 + 64689849 = 1914^2 + 8043^2 .

It is not a de Polignac number, because 68353245 - 2⁸ = 68352989 is a prime.

It is a super-2 number, since 2×68353245² = 9344332204060050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101229 + ... + 101901.

It is an arithmetic number, because the mean of its divisors is an integer number (2580409).

Almost surely, 2^68353245 is an apocalyptic number.

It is an amenable number.

68353245 is a deficient number, since it is larger than the sum of its proper divisors (55506387).

68353245 is a wasteful number, since it uses less digits than its factorization.

68353245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 779 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 68353245 is about 8267.6021312107. The cubic root of 68353245 is about 408.8710664584.

The spelling of 68353245 in words is "sixty-eight million, three hundred fifty-three thousand, two hundred forty-five".