68004480 has 64 divisors (see below), whose sum is σ = 216770400. Its totient is φ = 18134016.

The previous prime is 68004479. The next prime is 68004481. The reversal of 68004480 is 8440086.

It is an interprime number because it is at equal distance from previous prime (68004479) and next prime (68004481).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (68004481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15790 + ... + 19629.

Almost surely, 2^68004480 is an apocalyptic number.

68004480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68004480 is an abundant number, since it is smaller than the sum of its proper divisors (148765920).

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

68004480 is a wasteful number, since it uses less digits than its factorization.

68004480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35441 (or 35429 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 68004480 is about 8246.4828866614. The cubic root of 68004480 is about 408.1744736296.

The spelling of 68004480 in words is "sixty-eight million, four thousand, four hundred eighty".