68236245 has 96 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 27688320.

The previous prime is 68236243. The next prime is 68236253. The reversal of 68236245 is 54263286.

68236245 = 176² + 177² + ... + 594².

68236245 is a `hidden beast` number, since 6 + 8 + 23 + 624 + 5 = 666.

It is not a de Polignac number, because 68236245 - 2¹ = 68236243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68236243) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 162646 + ... + 163064.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^68236245 is an apocalyptic number.

It is an amenable number.

68236245 is an abundant number, since it is smaller than the sum of its proper divisors (82721835).

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

68236245 is a wasteful number, since it uses less digits than its factorization.

68236245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 492 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 68236245 is about 8260.5232885090. The cubic root of 68236245 is about 408.6376455217.

The spelling of 68236245 in words is "sixty-eight million, two hundred thirty-six thousand, two hundred forty-five".