68225493 has 12 divisors (see below), whose sum is σ = 105819360. Its totient is φ = 38985912.

The previous prime is 68225467. The next prime is 68225537. The reversal of 68225493 is 39452286.

It is a happy number.

It is not a de Polignac number, because 68225493 - 2¹² = 68221397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68225453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231913 + ... + 232206.

It is an arithmetic number, because the mean of its divisors is an integer number (8818280).

Almost surely, 2^68225493 is an apocalyptic number.

It is an amenable number.

68225493 is a deficient number, since it is larger than the sum of its proper divisors (37593867).

68225493 is a wasteful number, since it uses less digits than its factorization.

68225493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464136 (or 464129 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 68225493 is about 8259.8724566424. The cubic root of 68225493 is about 408.6161813533.

The spelling of 68225493 in words is "sixty-eight million, two hundred twenty-five thousand, four hundred ninety-three".