74291789 has 8 divisors (see below), whose sum is σ = 87280032. Its totient is φ = 62342640.

The previous prime is 74291783. The next prime is 74291807. The reversal of 74291789 is 98719247.

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 74291789 - 2¹² = 74287693 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 (74291783) 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, 259619 + ... + 259904.

It is an arithmetic number, because the mean of its divisors is an integer number (10910004).

Almost surely, 2^74291789 is an apocalyptic number.

It is an amenable number.

74291789 is a deficient number, since it is larger than the sum of its proper divisors (12988243).

74291789 is a wasteful number, since it uses less digits than its factorization.

74291789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519547.

The product of its digits is 254016, while the sum is 47.

The square root of 74291789 is about 8619.2684724401. The cubic root of 74291789 is about 420.3847362724.

The spelling of 74291789 in words is "seventy-four million, two hundred ninety-one thousand, seven hundred eighty-nine".