68423570 has 8 divisors (see below), whose sum is σ = 123162444. Its totient is φ = 27369424.

The previous prime is 68423569. The next prime is 68423573. The reversal of 68423570 is 7532486.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68079001 + 344569 = 8251^2 + 587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×68423570³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68423570.

It is not an unprimeable number, because it can be changed into a prime (68423573) 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, 3421169 + ... + 3421188.

Almost surely, 2^68423570 is an apocalyptic number.

68423570 is a deficient number, since it is larger than the sum of its proper divisors (54738874).

68423570 is a wasteful number, since it uses less digits than its factorization.

68423570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842364.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 68423570 is about 8271.8540847866. The cubic root of 68423570 is about 409.0112402584.

The spelling of 68423570 in words is "sixty-eight million, four hundred twenty-three thousand, five hundred seventy".