99132742 has 4 divisors (see below), whose sum is σ = 148699116. Its totient is φ = 49566370.

The previous prime is 99132727. The next prime is 99132757. The reversal of 99132742 is 24723199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24723199 = 19 ⋅1301221.

It is an interprime number because it is at equal distance from previous prime (99132727) and next prime (99132757).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24783184 + ... + 24783187.

It is an arithmetic number, because the mean of its divisors is an integer number (37174779).

Almost surely, 2^99132742 is an apocalyptic number.

99132742 is a deficient number, since it is larger than the sum of its proper divisors (49566374).

99132742 is a wasteful number, since it uses less digits than its factorization.

99132742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49566373.

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

The square root of 99132742 is about 9956.5426730367. The cubic root of 99132742 is about 462.8131672045.

It can be divided in two parts, 991 and 32742, that added together give a palindrome (33733).

The spelling of 99132742 in words is "ninety-nine million, one hundred thirty-two thousand, seven hundred forty-two".