74464789 has 8 divisors (see below), whose sum is σ = 85250880. Its totient is φ = 63715776.

The previous prime is 74464769. The next prime is 74464807. The reversal of 74464789 is 98746447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74464789 - 2⁹ = 74464277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74464769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4819 + ... + 13120.

It is an arithmetic number, because the mean of its divisors is an integer number (10656360).

Almost surely, 2^74464789 is an apocalyptic number.

It is an amenable number.

74464789 is a deficient number, since it is larger than the sum of its proper divisors (10786091).

74464789 is a wasteful number, since it uses less digits than its factorization.

74464789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18539.

The product of its digits is 1354752, while the sum is 49.

The square root of 74464789 is about 8629.2982912865. The cubic root of 74464789 is about 420.7107937527.

The spelling of 74464789 in words is "seventy-four million, four hundred sixty-four thousand, seven hundred eighty-nine".