68577451 has 4 divisors (see below), whose sum is σ = 69445600. Its totient is φ = 67709304.

The previous prime is 68577413. The next prime is 68577463. The reversal of 68577451 is 15477586.

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 68577451 - 2⁷ = 68577323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68577398 and 68577407.

It is not an unprimeable number, because it can be changed into a prime (68577401) 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, 433956 + ... + 434113.

It is an arithmetic number, because the mean of its divisors is an integer number (17361400).

Almost surely, 2^68577451 is an apocalyptic number.

68577451 is a deficient number, since it is larger than the sum of its proper divisors (868149).

68577451 is an equidigital number, since it uses as much as digits as its factorization.

68577451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868148.

The product of its digits is 235200, while the sum is 43.

The square root of 68577451 is about 8281.1503427966. The cubic root of 68577451 is about 409.3176255937.

The spelling of 68577451 in words is "sixty-eight million, five hundred seventy-seven thousand, four hundred fifty-one".