68862451 has 8 divisors (see below), whose sum is σ = 79039584. Its totient is φ = 58770240.

The previous prime is 68862449. The next prime is 68862463. The reversal of 68862451 is 15426886.

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 68862451 - 2¹ = 68862449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68862481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19480 + ... + 22741.

It is an arithmetic number, because the mean of its divisors is an integer number (9879948).

Almost surely, 2^68862451 is an apocalyptic number.

68862451 is a deficient number, since it is larger than the sum of its proper divisors (10177133).

68862451 is a wasteful number, since it uses less digits than its factorization.

68862451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42461.

The product of its digits is 92160, while the sum is 40.

The square root of 68862451 is about 8298.3402557379. The cubic root of 68862451 is about 409.8838675647.

The spelling of 68862451 in words is "sixty-eight million, eight hundred sixty-two thousand, four hundred fifty-one".