99730940 has 12 divisors (see below), whose sum is σ = 209435016. Its totient is φ = 39892368.

The previous prime is 99730879. The next prime is 99730957. The reversal of 99730940 is 4903799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2493254 + ... + 2493293.

It is an arithmetic number, because the mean of its divisors is an integer number (17452918).

Almost surely, 2^99730940 is an apocalyptic number.

It is an amenable number.

99730940 is an abundant number, since it is smaller than the sum of its proper divisors (109704076).

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

99730940 is a wasteful number, since it uses less digits than its factorization.

99730940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986556 (or 4986554 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 99730940 is about 9986.5379386452. The cubic root of 99730940 is about 463.7422208163.

The spelling of 99730940 in words is "ninety-nine million, seven hundred thirty thousand, nine hundred forty".