68293951 has 4 divisors (see below), whose sum is σ = 74502504. Its totient is φ = 62085400.

The previous prime is 68293949. The next prime is 68293963. The reversal of 68293951 is 15939286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68293951 - 2¹ = 68293949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68293898 and 68293907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68293921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104260 + ... + 3104281.

It is an arithmetic number, because the mean of its divisors is an integer number (18625626).

Almost surely, 2^68293951 is an apocalyptic number.

68293951 is a deficient number, since it is larger than the sum of its proper divisors (6208553).

68293951 is a wasteful number, since it uses less digits than its factorization.

68293951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208552.

The product of its digits is 116640, while the sum is 43.

The square root of 68293951 is about 8264.0154283496. The cubic root of 68293951 is about 408.7528052378.

The spelling of 68293951 in words is "sixty-eight million, two hundred ninety-three thousand, nine hundred fifty-one".