68814504 has 192 divisors, whose sum is σ = 227448000. Its totient is φ = 18524160.

The previous prime is 68814481. The next prime is 68814509. The reversal of 68814504 is 40541886.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68814509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255682 + ... + 255950.

It is an arithmetic number, because the mean of its divisors is an integer number (1184625).

Almost surely, 2^68814504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68814504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113724000).

68814504 is an abundant number, since it is smaller than the sum of its proper divisors (158633496).

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

68814504 is a wasteful number, since it uses less digits than its factorization.

68814504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 68814504 is about 8295.4508014936. The cubic root of 68814504 is about 409.7887152502.

The spelling of 68814504 in words is "sixty-eight million, eight hundred fourteen thousand, five hundred four".