74806280 has 32 divisors (see below), whose sum is σ = 170213400. Its totient is φ = 29584896.

The previous prime is 74806279. The next prime is 74806301. The reversal of 74806280 is 8260847.

It can be written as a sum of positive squares in 4 ways, for example, as 20666116 + 54140164 = 4546^2 + 7358^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74806280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947 + ... + 14066.

Almost surely, 2^74806280 is an apocalyptic number.

It is an amenable number.

74806280 is an abundant number, since it is smaller than the sum of its proper divisors (95407120).

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

74806280 is a wasteful number, since it uses less digits than its factorization.

74806280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113 (or 21109 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 74806280 is about 8649.0623769285. The cubic root of 74806280 is about 421.3529311995.

The spelling of 74806280 in words is "seventy-four million, eight hundred six thousand, two hundred eighty".