74764493 has 8 divisors (see below), whose sum is σ = 75380448. Its totient is φ = 74151504.

The previous prime is 74764489. The next prime is 74764511. The reversal of 74764493 is 39446747.

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 74764493 - 2² = 74764489 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 (74764423) 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 7 ways as a sum of consecutive naturals, for example, 84230 + ... + 85112.

It is an arithmetic number, because the mean of its divisors is an integer number (9422556).

Almost surely, 2^74764493 is an apocalyptic number.

It is an amenable number.

74764493 is a deficient number, since it is larger than the sum of its proper divisors (615955).

74764493 is a wasteful number, since it uses less digits than its factorization.

74764493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its digits is 508032, while the sum is 44.

The square root of 74764493 is about 8646.6463441036. The cubic root of 74764493 is about 421.2744602726.

It can be divided in two parts, 74764 and 493, that added together give a palindrome (75257).

The spelling of 74764493 in words is "seventy-four million, seven hundred sixty-four thousand, four hundred ninety-three".