68834040 has 64 divisors (see below), whose sum is σ = 225279360. Its totient is φ = 16686720.

The previous prime is 68834033. The next prime is 68834053. The reversal of 68834040 is 4043886.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 68833992 and 68834010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24754 + ... + 27393.

It is an arithmetic number, because the mean of its divisors is an integer number (3519990).

Almost surely, 2^68834040 is an apocalyptic number.

68834040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68834040 is an abundant number, since it is smaller than the sum of its proper divisors (156445320).

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

68834040 is a wasteful number, since it uses less digits than its factorization.

68834040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52172 (or 52168 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 68834040 is about 8296.6282307935. The cubic root of 68834040 is about 409.8274903844.

The spelling of 68834040 in words is "sixty-eight million, eight hundred thirty-four thousand, forty".