99736634 has 4 divisors (see below), whose sum is σ = 149604954. Its totient is φ = 49868316.

The previous prime is 99736621. The next prime is 99736639. The reversal of 99736634 is 43663799.

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

It can be written as a sum of positive squares in only one way, i.e., 96138025 + 3598609 = 9805^2 + 1897^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99736639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24934157 + ... + 24934160.

Almost surely, 2^99736634 is an apocalyptic number.

99736634 is a deficient number, since it is larger than the sum of its proper divisors (49868320).

99736634 is a wasteful number, since it uses less digits than its factorization.

99736634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49868319.

The product of its digits is 734832, while the sum is 47.

The square root of 99736634 is about 9986.8230183577. The cubic root of 99736634 is about 463.7510462218.

The spelling of 99736634 in words is "ninety-nine million, seven hundred thirty-six thousand, six hundred thirty-four".