68425984 has 81 divisors (see below), whose sum is σ = 153392491. Its totient is φ = 30440960.

The previous prime is 68425979. The next prime is 68425997. The reversal of 68425984 is 48952486.

The square root of 68425984 is 8272.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (552960) is a multiple of the sum of its prime divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1455849 + ... + 1455895.

Almost surely, 2^68425984 is an apocalyptic number.

68425984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

68425984 is the 8272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68425984

68425984 is an abundant number, since it is smaller than the sum of its proper divisors (84966507).

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

68425984 is an equidigital number, since it uses as much as digits as its factorization.

68425984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 60 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The cubic root of 68425984 is about 409.0160502068.

The spelling of 68425984 in words is "sixty-eight million, four hundred twenty-five thousand, nine hundred eighty-four".