68693504 has 40 divisors (see below), whose sum is σ = 149742648. Its totient is φ = 31221760.

The previous prime is 68693483. The next prime is 68693509. The reversal of 68693504 is 40539686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68693509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467 + ... + 11730.

Almost surely, 2^68693504 is an apocalyptic number.

68693504 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68693504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74871324).

68693504 is an abundant number, since it is smaller than the sum of its proper divisors (81049144).

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

68693504 is a wasteful number, since it uses less digits than its factorization.

68693504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226 (or 12210 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 68693504 is about 8288.1544387155. The cubic root of 68693504 is about 409.5483903073.

The spelling of 68693504 in words is "sixty-eight million, six hundred ninety-three thousand, five hundred four".