74870827 has 4 divisors (see below), whose sum is σ = 74946040. Its totient is φ = 74795616.

The previous prime is 74870759. The next prime is 74870843. The reversal of 74870827 is 72807847.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74870827 - 2⁷ = 74870699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74876827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36093 + ... + 38110.

It is an arithmetic number, because the mean of its divisors is an integer number (18736510).

Almost surely, 2^74870827 is an apocalyptic number.

74870827 is a deficient number, since it is larger than the sum of its proper divisors (75213).

74870827 is a wasteful number, since it uses less digits than its factorization.

74870827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75212.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 74870827 is about 8652.7930172864. The cubic root of 74870827 is about 421.4740852391.

The spelling of 74870827 in words is "seventy-four million, eight hundred seventy thousand, eight hundred twenty-seven".