68774480 has 20 divisors (see below), whose sum is σ = 159900852. Its totient is φ = 27509760.

The previous prime is 68774479. The next prime is 68774491. The reversal of 68774480 is 8447786.

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 50353216 = 4292^2 + 7096^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429761 + ... + 429920.

Almost surely, 2^68774480 is an apocalyptic number.

It is an amenable number.

68774480 is an abundant number, since it is smaller than the sum of its proper divisors (91126372).

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

68774480 is a wasteful number, since it uses less digits than its factorization.

68774480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859694 (or 859688 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 68774480 is about 8293.0380440463. The cubic root of 68774480 is about 409.7092525236.

The spelling of 68774480 in words is "sixty-eight million, seven hundred seventy-four thousand, four hundred eighty".