99740206 has 8 divisors (see below), whose sum is σ = 154436544. Its totient is φ = 48261360.

The previous prime is 99740203. The next prime is 99740219. The reversal of 99740206 is 60204799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99740203) 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, 804295 + ... + 804418.

It is an arithmetic number, because the mean of its divisors is an integer number (19304568).

Almost surely, 2^99740206 is an apocalyptic number.

99740206 is a deficient number, since it is larger than the sum of its proper divisors (54696338).

99740206 is a wasteful number, since it uses less digits than its factorization.

99740206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608746.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 99740206 is about 9987.0018524080. The cubic root of 99740206 is about 463.7565824655.

Subtracting from 99740206 its sum of digits (37), we obtain a square (99740169 = 9987²).

The spelling of 99740206 in words is "ninety-nine million, seven hundred forty thousand, two hundred six".