68951394 has 24 divisors (see below), whose sum is σ = 149944860. Its totient is φ = 22899168.

The previous prime is 68951369. The next prime is 68951413. The reversal of 68951394 is 49315986.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59861169 + 9090225 = 7737^2 + 3015^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1929 + ... + 11900.

Almost surely, 2^68951394 is an apocalyptic number.

68951394 is an abundant number, since it is smaller than the sum of its proper divisors (80993466).

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

68951394 is a wasteful number, since it uses less digits than its factorization.

68951394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14114 (or 14111 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 68951394 is about 8303.6976101012. The cubic root of 68951394 is about 410.0602608233.

The spelling of 68951394 in words is "sixty-eight million, nine hundred fifty-one thousand, three hundred ninety-four".