99743320 has 32 divisors (see below), whose sum is σ = 224993520. Its totient is φ = 39795840.

The previous prime is 99743309. The next prime is 99743321. The reversal of 99743320 is 2334799.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99743320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99743321) 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, 13879 + ... + 19801.

Almost surely, 2^99743320 is an apocalyptic number.

It is an amenable number.

99743320 is an abundant number, since it is smaller than the sum of its proper divisors (125250200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99743320 is a wasteful number, since it uses less digits than its factorization.

99743320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355 (or 6351 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 99743320 is about 9987.1577538357. The cubic root of 99743320 is about 463.7614087472.

The spelling of 99743320 in words is "ninety-nine million, seven hundred forty-three thousand, three hundred twenty".