99742607 has 4 divisors (see below), whose sum is σ = 99763200. Its totient is φ = 99722016.

The previous prime is 99742541. The next prime is 99742613. The reversal of 99742607 is 70624799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99742607 - 2¹⁴ = 99726223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99742637) 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, 1394 + ... + 14192.

It is an arithmetic number, because the mean of its divisors is an integer number (24940800).

Almost surely, 2^99742607 is an apocalyptic number.

99742607 is a deficient number, since it is larger than the sum of its proper divisors (20593).

99742607 is a wasteful number, since it uses less digits than its factorization.

99742607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20592.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 99742607 is about 9987.1220579304. The cubic root of 99742607 is about 463.7603037018.

The spelling of 99742607 in words is "ninety-nine million, seven hundred forty-two thousand, six hundred seven".