99542727 has 24 divisors (see below), whose sum is σ = 147024384. Its totient is φ = 64882944.

The previous prime is 99542719. The next prime is 99542741. The reversal of 99542727 is 72724599.

It is not a de Polignac number, because 99542727 - 2³ = 99542719 is a prime.

It is a super-3 number, since 3×99542727³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99542747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82843 + ... + 84035.

It is an arithmetic number, because the mean of its divisors is an integer number (6126016).

Almost surely, 2^99542727 is an apocalyptic number.

99542727 is a deficient number, since it is larger than the sum of its proper divisors (47481657).

99542727 is a wasteful number, since it uses less digits than its factorization.

99542727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1396 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 99542727 is about 9977.1101527446. The cubic root of 99542727 is about 463.4503111412.

The spelling of 99542727 in words is "ninety-nine million, five hundred forty-two thousand, seven hundred twenty-seven".