74734225989 has 8 divisors (see below), whose sum is σ = 99798233952. Its totient is φ = 49746517680.

The previous prime is 74734225987. The next prime is 74734226011. The reversal of 74734225989 is 98952243747.

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

It is not a de Polignac number, because 74734225989 - 2¹ = 74734225987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74734225987) 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, 19072627 + ... + 19076544.

It is an arithmetic number, because the mean of its divisors is an integer number (12474779244).

Almost surely, 2^74734225989 is an apocalyptic number.

It is an amenable number.

74734225989 is a deficient number, since it is larger than the sum of its proper divisors (25064007963).

74734225989 is a wasteful number, since it uses less digits than its factorization.

74734225989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38149827.

The product of its digits is 30481920, while the sum is 60.

The spelling of 74734225989 in words is "seventy-four billion, seven hundred thirty-four million, two hundred twenty-five thousand, nine hundred eighty-nine".