68574887 has 4 divisors (see below), whose sum is σ = 68601456. Its totient is φ = 68548320.

The previous prime is 68574871. The next prime is 68574893. The reversal of 68574887 is 78847586.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78847586 = 2 ⋅39423793.

It is a cyclic number.

It is not a de Polignac number, because 68574887 - 2⁴ = 68574871 is a prime.

It is a super-3 number, since 3×68574887³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68574827) 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, 8939 + ... + 14732.

It is an arithmetic number, because the mean of its divisors is an integer number (17150364).

Almost surely, 2^68574887 is an apocalyptic number.

68574887 is a deficient number, since it is larger than the sum of its proper divisors (26569).

68574887 is a wasteful number, since it uses less digits than its factorization.

68574887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26568.

The product of its digits is 3010560, while the sum is 53.

The square root of 68574887 is about 8280.9955319394. The cubic root of 68574887 is about 409.3125242887.

The spelling of 68574887 in words is "sixty-eight million, five hundred seventy-four thousand, eight hundred eighty-seven".