74687027 has 4 divisors (see below), whose sum is σ = 74977896. Its totient is φ = 74396160.

The previous prime is 74687023. The next prime is 74687033. The reversal of 74687027 is 72078647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72078647 = 19 ⋅3793613.

It is a cyclic number.

It is not a de Polignac number, because 74687027 - 2² = 74687023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74687021) 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, 145049 + ... + 145562.

It is an arithmetic number, because the mean of its divisors is an integer number (18744474).

Almost surely, 2^74687027 is an apocalyptic number.

74687027 is a deficient number, since it is larger than the sum of its proper divisors (290869).

74687027 is a wasteful number, since it uses less digits than its factorization.

74687027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290868.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 74687027 is about 8642.1656429393. The cubic root of 74687027 is about 421.1289111233.

The spelling of 74687027 in words is "seventy-four million, six hundred eighty-seven thousand, twenty-seven".