68974351 has 4 divisors (see below), whose sum is σ = 72604600. Its totient is φ = 65344104.

The previous prime is 68974343. The next prime is 68974357. The reversal of 68974351 is 15347986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15347986 = 2 ⋅7673993.

It is a cyclic number.

It is not a de Polignac number, because 68974351 - 2³ = 68974343 is a prime.

It is a super-2 number, since 2×68974351² = 9514922191742402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68974298 and 68974307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68974357) 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, 1815096 + ... + 1815133.

It is an arithmetic number, because the mean of its divisors is an integer number (18151150).

Almost surely, 2^68974351 is an apocalyptic number.

68974351 is a deficient number, since it is larger than the sum of its proper divisors (3630249).

68974351 is a wasteful number, since it uses less digits than its factorization.

68974351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630248.

The product of its digits is 181440, while the sum is 43.

The square root of 68974351 is about 8305.0798310432. The cubic root of 68974351 is about 410.1057649014.

The spelling of 68974351 in words is "sixty-eight million, nine hundred seventy-four thousand, three hundred fifty-one".