74089667 has 4 divisors (see below), whose sum is σ = 74853576. Its totient is φ = 73325760.

The previous prime is 74089649. The next prime is 74089679. The reversal of 74089667 is 76698047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76698047 = 4373 ⋅17539.

It is a cyclic number.

It is not a de Polignac number, because 74089667 - 2¹⁰ = 74088643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74089637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 381809 + ... + 382002.

It is an arithmetic number, because the mean of its divisors is an integer number (18713394).

Almost surely, 2^74089667 is an apocalyptic number.

74089667 is a deficient number, since it is larger than the sum of its proper divisors (763909).

74089667 is an equidigital number, since it uses as much as digits as its factorization.

74089667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763908.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 74089667 is about 8607.5354777079. The cubic root of 74089667 is about 420.0031500142.

The spelling of 74089667 in words is "seventy-four million, eighty-nine thousand, six hundred sixty-seven".