99187073 has 8 divisors (see below), whose sum is σ = 102606336. Its totient is φ = 95781600.

The previous prime is 99187051. The next prime is 99187079. The reversal of 99187073 is 37078199.

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

It is a cyclic number.

It is not a de Polignac number, because 99187073 - 2⁸ = 99186817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99187079) 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, 12413 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (12825792).

Almost surely, 2^99187073 is an apocalyptic number.

It is an amenable number.

99187073 is a deficient number, since it is larger than the sum of its proper divisors (3419263).

99187073 is a wasteful number, since it uses less digits than its factorization.

99187073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 99187073 is about 9959.2707062315. The cubic root of 99187073 is about 462.8977020393.

The spelling of 99187073 in words is "ninety-nine million, one hundred eighty-seven thousand, seventy-three".