74464569 has 32 divisors (see below), whose sum is σ = 114065280. Its totient is φ = 47980800.

The previous prime is 74464543. The next prime is 74464583. The reversal of 74464569 is 96546447.

It is not a de Polignac number, because 74464569 - 2¹³ = 74456377 is a prime.

It is a super-2 number, since 2×74464569² = 11089944072711522, which contains 22 as substring.

Its product of digits (725760) is a multiple of the sum of its prime divisors (672).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74464589) 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 31 ways as a sum of consecutive naturals, for example, 151414 + ... + 151904.

It is an arithmetic number, because the mean of its divisors is an integer number (3564540).

Almost surely, 2^74464569 is an apocalyptic number.

It is an amenable number.

74464569 is a deficient number, since it is larger than the sum of its proper divisors (39600711).

74464569 is a wasteful number, since it uses less digits than its factorization.

74464569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 672 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 74464569 is about 8629.2855440065. The cubic root of 74464569 is about 420.7103794340.

The spelling of 74464569 in words is "seventy-four million, four hundred sixty-four thousand, five hundred sixty-nine".