68724582 has 16 divisors (see below), whose sum is σ = 141883392. Its totient is φ = 22169160.

The previous prime is 68724563. The next prime is 68724629. The reversal of 68724582 is 28542786.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184558 + ... + 184929.

It is an arithmetic number, because the mean of its divisors is an integer number (8867712).

Almost surely, 2^68724582 is an apocalyptic number.

68724582 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68724582 is an abundant number, since it is smaller than the sum of its proper divisors (73158810).

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

68724582 is a wasteful number, since it uses less digits than its factorization.

68724582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369523.

The product of its digits is 215040, while the sum is 42.

The square root of 68724582 is about 8290.0290711191. The cubic root of 68724582 is about 409.6101429971.

The spelling of 68724582 in words is "sixty-eight million, seven hundred twenty-four thousand, five hundred eighty-two".