99370709 has 4 divisors (see below), whose sum is σ = 99390720. Its totient is φ = 99350700.

The previous prime is 99370699. The next prime is 99370727. The reversal of 99370709 is 90707399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90707399 = 71 ⋅1277569.

It is a cyclic number.

It is not a de Polignac number, because 99370709 - 2¹² = 99366613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99370709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99370759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3722 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (24847680).

Almost surely, 2^99370709 is an apocalyptic number.

It is an amenable number.

99370709 is a deficient number, since it is larger than the sum of its proper divisors (20011).

99370709 is a wasteful number, since it uses less digits than its factorization.

99370709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 99370709 is about 9968.4857927370. The cubic root of 99370709 is about 463.1831971621.

The spelling of 99370709 in words is "ninety-nine million, three hundred seventy thousand, seven hundred nine".