67824980 has 24 divisors (see below), whose sum is σ = 142616040. Its totient is φ = 27095040.

The previous prime is 67824979. The next prime is 67824983. The reversal of 67824980 is 8942876.

It can be written as a sum of positive squares in 4 ways, for example, as 8133904 + 59691076 = 2852^2 + 7726^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67824983) 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, 18500 + ... + 21860.

It is an arithmetic number, because the mean of its divisors is an integer number (5942335).

Almost surely, 2^67824980 is an apocalyptic number.

It is an amenable number.

67824980 is an abundant number, since it is smaller than the sum of its proper divisors (74791060).

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

67824980 is a wasteful number, since it uses less digits than its factorization.

67824980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 67824980 is about 8235.5922677121. The cubic root of 67824980 is about 407.8150273278.

The spelling of 67824980 in words is "sixty-seven million, eight hundred twenty-four thousand, nine hundred eighty".