68337225 has 36 divisors (see below), whose sum is σ = 133531632. Its totient is φ = 33132000.

The previous prime is 68337221. The next prime is 68337239. The reversal of 68337225 is 52273386.

It is not a de Polignac number, because 68337225 - 2² = 68337221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68337225.

It is not an unprimeable number, because it can be changed into a prime (68337221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11331 + ... + 16280.

It is an arithmetic number, because the mean of its divisors is an integer number (3709212).

Almost surely, 2^68337225 is an apocalyptic number.

It is an amenable number.

68337225 is a deficient number, since it is larger than the sum of its proper divisors (65194407).

68337225 is a wasteful number, since it uses less digits than its factorization.

68337225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27638 (or 27630 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 68337225 is about 8266.6332324593. The cubic root of 68337225 is about 408.8391214923.

The spelling of 68337225 in words is "sixty-eight million, three hundred thirty-seven thousand, two hundred twenty-five".