68769420 has 48 divisors (see below), whose sum is σ = 203884128. Its totient is φ = 17259520.

The previous prime is 68769391. The next prime is 68769443. The reversal of 68769420 is 2496786.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32691 + ... + 34730.

It is an arithmetic number, because the mean of its divisors is an integer number (4247586).

Almost surely, 2^68769420 is an apocalyptic number.

68769420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68769420 is an abundant number, since it is smaller than the sum of its proper divisors (135114708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68769420 is a wasteful number, since it uses less digits than its factorization.

68769420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67450 (or 67448 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 68769420 is about 8292.7329632637. The cubic root of 68769420 is about 409.6992043213.

It can be divided in two parts, 687 and 69420, that added together give a palindrome (70107).

The spelling of 68769420 in words is "sixty-eight million, seven hundred sixty-nine thousand, four hundred twenty".