68052478 has 8 divisors (see below), whose sum is σ = 109930968. Its totient is φ = 31408824.

The previous prime is 68052461. The next prime is 68052511. The reversal of 68052478 is 87425086.

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

It is a super-2 number, since 2×68052478² = 9262279523880968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68052478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308676 + ... + 1308727.

It is an arithmetic number, because the mean of its divisors is an integer number (13741371).

Almost surely, 2^68052478 is an apocalyptic number.

68052478 is a deficient number, since it is larger than the sum of its proper divisors (41878490).

68052478 is a wasteful number, since it uses less digits than its factorization.

68052478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617418.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 68052478 is about 8249.3925836997. The cubic root of 68052478 is about 408.2704817696.

The spelling of 68052478 in words is "sixty-eight million, fifty-two thousand, four hundred seventy-eight".