99941730 has 64 divisors (see below), whose sum is σ = 278028288. Its totient is φ = 22518720.

The previous prime is 99941707. The next prime is 99941741. The reversal of 99941730 is 3714999.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 11559 + ... + 18261.

It is an arithmetic number, because the mean of its divisors is an integer number (4344192).

Almost surely, 2^99941730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99941730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139014144).

99941730 is an abundant number, since it is smaller than the sum of its proper divisors (178086558).

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

99941730 is a wasteful number, since it uses less digits than its factorization.

99941730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 99941730 is about 9997.0860754522. The cubic root of 99941730 is about 464.0687107174.

The spelling of 99941730 in words is "ninety-nine million, nine hundred forty-one thousand, seven hundred thirty".