74169999 has 20 divisors (see below), whose sum is σ = 111431320. Its totient is φ = 49163760.

The previous prime is 74169989. The next prime is 74170001. The reversal of 74169999 is 99996147.

It is not a de Polignac number, because 74169999 - 2⁸ = 74169743 is a prime.

It is a Duffinian number.

74169999 is a modest number, since divided by 9999 gives 7416 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74169959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12132 + ... + 17190.

It is an arithmetic number, because the mean of its divisors is an integer number (5571566).

Almost surely, 2^74169999 is an apocalyptic number.

74169999 is a deficient number, since it is larger than the sum of its proper divisors (37261321).

74169999 is a wasteful number, since it uses less digits than its factorization.

74169999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5243 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 74169999 is about 8612.2005898609. The cubic root of 74169999 is about 420.1548918500.

The spelling of 74169999 in words is "seventy-four million, one hundred sixty-nine thousand, nine hundred ninety-nine".