74669871 has 12 divisors (see below), whose sum is σ = 100801688. Its totient is φ = 49166544.

The previous prime is 74669863. The next prime is 74669879. The reversal of 74669871 is 17896647.

It is an interprime number because it is at equal distance from previous prime (74669863) and next prime (74669879).

It is not a de Polignac number, because 74669871 - 2³ = 74669863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74669871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74669879) 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 11 ways as a sum of consecutive naturals, for example, 18861 + ... + 22473.

Almost surely, 2^74669871 is an apocalyptic number.

74669871 is a deficient number, since it is larger than the sum of its proper divisors (26131817).

74669871 is an equidigital number, since it uses as much as digits as its factorization.

74669871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782 (or 3699 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 74669871 is about 8641.1730106508. The cubic root of 74669871 is about 421.0966634843.

The spelling of 74669871 in words is "seventy-four million, six hundred sixty-nine thousand, eight hundred seventy-one".