99740242 has 16 divisors (see below), whose sum is σ = 171146880. Its totient is φ = 42704928.

The previous prime is 99740239. The next prime is 99740243. The reversal of 99740242 is 24204799.

It is not an unprimeable number, because it can be changed into a prime (99740243) 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, 15283 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (10696680).

Almost surely, 2^99740242 is an apocalyptic number.

99740242 is a deficient number, since it is larger than the sum of its proper divisors (71406638).

99740242 is a wasteful number, since it uses less digits than its factorization.

99740242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 99740242 is about 9987.0036547505. The cubic root of 99740242 is about 463.7566382613.

The spelling of 99740242 in words is "ninety-nine million, seven hundred forty thousand, two hundred forty-two".