68013469 has 8 divisors (see below), whose sum is σ = 69514200. Its totient is φ = 66520896.

The previous prime is 68013467. The next prime is 68013479. The reversal of 68013469 is 96431086.

It can be written as a sum of positive squares in 4 ways, for example, as 34222500 + 33790969 = 5850^2 + 5813^2 .

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 68013469 - 2¹ = 68013467 is a prime.

It is a super-2 number, since 2×68013469² = 9251663930827922, 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 (68013467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16659 + ... + 20335.

It is an arithmetic number, because the mean of its divisors is an integer number (8689275).

Almost surely, 2^68013469 is an apocalyptic number.

It is an amenable number.

68013469 is a deficient number, since it is larger than the sum of its proper divisors (1500731).

68013469 is a wasteful number, since it uses less digits than its factorization.

68013469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68013469 is about 8247.0278888822. The cubic root of 68013469 is about 408.1924573404.

The spelling of 68013469 in words is "sixty-eight million, thirteen thousand, four hundred sixty-nine".