68610469 has 4 divisors (see below), whose sum is σ = 70464844. Its totient is φ = 66756096.

The previous prime is 68610457. The next prime is 68610497. The reversal of 68610469 is 96401686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35259844 + 33350625 = 5938^2 + 5775^2 .

It is a cyclic number.

It is not a de Polignac number, because 68610469 - 2¹³ = 68602277 is a prime.

It is a super-2 number, since 2×68610469² = 9414792912799922, which contains 22 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 (68610769) 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 3 ways as a sum of consecutive naturals, for example, 927132 + ... + 927205.

It is an arithmetic number, because the mean of its divisors is an integer number (17616211).

Almost surely, 2^68610469 is an apocalyptic number.

It is an amenable number.

68610469 is a deficient number, since it is larger than the sum of its proper divisors (1854375).

68610469 is a wasteful number, since it uses less digits than its factorization.

68610469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854374.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 68610469 is about 8283.1436665073. The cubic root of 68610469 is about 409.3833064686.

The spelling of 68610469 in words is "sixty-eight million, six hundred ten thousand, four hundred sixty-nine".