74289627 has 6 divisors (see below), whose sum is σ = 107307252. Its totient is φ = 49526412.

The previous prime is 74289617. The next prime is 74289637. The reversal of 74289627 is 72698247.

It is an interprime number because it is at equal distance from previous prime (74289617) and next prime (74289637).

It is not a de Polignac number, because 74289627 - 2¹⁰ = 74288603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74289617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4127193 + ... + 4127210.

It is an arithmetic number, because the mean of its divisors is an integer number (17884542).

Almost surely, 2^74289627 is an apocalyptic number.

74289627 is a deficient number, since it is larger than the sum of its proper divisors (33017625).

74289627 is a wasteful number, since it uses less digits than its factorization.

74289627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254409 (or 8254406 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 74289627 is about 8619.1430548518. The cubic root of 74289627 is about 420.3806582954.

The spelling of 74289627 in words is "seventy-four million, two hundred eighty-nine thousand, six hundred twenty-seven".