68413503 has 8 divisors (see below), whose sum is σ = 91936768. Its totient is φ = 45249624.

The previous prime is 68413493. The next prime is 68413507. The reversal of 68413503 is 30531486.

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

It is not a de Polignac number, because 68413503 - 2⁹ = 68412991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68413507) 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, 89401 + ... + 90162.

It is an arithmetic number, because the mean of its divisors is an integer number (11492096).

Almost surely, 2^68413503 is an apocalyptic number.

68413503 is a deficient number, since it is larger than the sum of its proper divisors (23523265).

68413503 is a wasteful number, since it uses less digits than its factorization.

68413503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179693.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 68413503 is about 8271.2455531196. The cubic root of 68413503 is about 408.9911803185.

Adding to 68413503 its reverse (30531486), we get a palindrome (98944989).

The spelling of 68413503 in words is "sixty-eight million, four hundred thirteen thousand, five hundred three".