74733389 has 8 divisors (see below), whose sum is σ = 75816000. Its totient is φ = 73656352.

The previous prime is 74733367. The next prime is 74733391. The reversal of 74733389 is 98333747.

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 74733389 - 2⁸ = 74733133 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 (74733349) 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, 30782 + ... + 33120.

It is an arithmetic number, because the mean of its divisors is an integer number (9477000).

Almost surely, 2^74733389 is an apocalyptic number.

It is an amenable number.

74733389 is a deficient number, since it is larger than the sum of its proper divisors (1082611).

74733389 is a wasteful number, since it uses less digits than its factorization.

74733389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its digits is 381024, while the sum is 44.

The square root of 74733389 is about 8644.8475405874. The cubic root of 74733389 is about 421.2160317422.

The spelling of 74733389 in words is "seventy-four million, seven hundred thirty-three thousand, three hundred eighty-nine".