74338151789 has 8 divisors (see below), whose sum is σ = 82073228832. Its totient is φ = 66765918640.

The previous prime is 74338151737. The next prime is 74338151821. The reversal of 74338151789 is 98715183347.

It is a happy number.

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 74338151789 - 2³² = 70043184493 is a prime.

It is a super-2 number, since 2×74338151789² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74338151989) 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, 40710014 + ... + 40711839.

It is an arithmetic number, because the mean of its divisors is an integer number (10259153604).

Almost surely, 2^74338151789 is an apocalyptic number.

It is an amenable number.

74338151789 is a deficient number, since it is larger than the sum of its proper divisors (7735077043).

74338151789 is a wasteful number, since it uses less digits than its factorization.

74338151789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81421947.

The product of its digits is 5080320, while the sum is 56.

The spelling of 74338151789 in words is "seventy-four billion, three hundred thirty-eight million, one hundred fifty-one thousand, seven hundred eighty-nine".