74489667 has 16 divisors (see below), whose sum is σ = 113690880. Its totient is φ = 42496992.

The previous prime is 74489647. The next prime is 74489677. The reversal of 74489667 is 76698447.

It is not a de Polignac number, because 74489667 - 2¹⁰ = 74488643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74489647) 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 15 ways as a sum of consecutive naturals, for example, 12388 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (7105680).

Almost surely, 2^74489667 is an apocalyptic number.

74489667 is a deficient number, since it is larger than the sum of its proper divisors (39201213).

74489667 is a wasteful number, since it uses less digits than its factorization.

74489667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722.

The product of its digits is 2032128, while the sum is 51.

The square root of 74489667 is about 8630.7396554409. The cubic root of 74489667 is about 420.7576404028.

The spelling of 74489667 in words is "seventy-four million, four hundred eighty-nine thousand, six hundred sixty-seven".