74799789 has 8 divisors (see below), whose sum is σ = 104982240. Its totient is φ = 47241936.

The previous prime is 74799761. The next prime is 74799793. The reversal of 74799789 is 98799747.

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

It is not a de Polignac number, because 74799789 - 2¹¹ = 74797741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74799709) 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, 656082 + ... + 656195.

It is an arithmetic number, because the mean of its divisors is an integer number (13122780).

Almost surely, 2^74799789 is an apocalyptic number.

It is an amenable number.

74799789 is a deficient number, since it is larger than the sum of its proper divisors (30182451).

74799789 is a wasteful number, since it uses less digits than its factorization.

74799789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312299.

The product of its digits is 8001504, while the sum is 60.

The square root of 74799789 is about 8648.6871258012. The cubic root of 74799789 is about 421.3407438048.

The spelling of 74799789 in words is "seventy-four million, seven hundred ninety-nine thousand, seven hundred eighty-nine".