68774951 has 8 divisors (see below), whose sum is σ = 79595520. Its totient is φ = 58203288.

The previous prime is 68774947. The next prime is 68774977. The reversal of 68774951 is 15947786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68774951 - 2² = 68774947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68774896 and 68774905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68774941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61631 + ... + 62736.

It is an arithmetic number, because the mean of its divisors is an integer number (9949440).

Almost surely, 2^68774951 is an apocalyptic number.

68774951 is a deficient number, since it is larger than the sum of its proper divisors (10820569).

68774951 is a wasteful number, since it uses less digits than its factorization.

68774951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124453.

The product of its digits is 423360, while the sum is 47.

The square root of 68774951 is about 8293.0664413111. The cubic root of 68774951 is about 409.7101878154.

The spelling of 68774951 in words is "sixty-eight million, seven hundred seventy-four thousand, nine hundred fifty-one".