99744659 has 8 divisors (see below), whose sum is σ = 117924960. Its totient is φ = 82547136.

The previous prime is 99744643. The next prime is 99744691. The reversal of 99744659 is 95644799.

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

It is not a de Polignac number, because 99744659 - 2⁴ = 99744643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99744659.

It is not an unprimeable number, because it can be changed into a prime (99746659) 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, 245474 + ... + 245879.

It is an arithmetic number, because the mean of its divisors is an integer number (14740620).

Almost surely, 2^99744659 is an apocalyptic number.

99744659 is a deficient number, since it is larger than the sum of its proper divisors (18180301).

99744659 is a wasteful number, since it uses less digits than its factorization.

99744659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491389.

The product of its digits is 2449440, while the sum is 53.

The square root of 99744659 is about 9987.2247897001. The cubic root of 99744659 is about 463.7634839864.

The spelling of 99744659 in words is "ninety-nine million, seven hundred forty-four thousand, six hundred fifty-nine".