99540742 has 8 divisors (see below), whose sum is σ = 170641296. Its totient is φ = 42660312.

The previous prime is 99540719. The next prime is 99540773. The reversal of 99540742 is 24704599.

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

It is a junction number, because it is equal to n+sod(n) for n = 99540695 and 99540704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555013 + ... + 3555040.

It is an arithmetic number, because the mean of its divisors is an integer number (21330162).

Almost surely, 2^99540742 is an apocalyptic number.

99540742 is a deficient number, since it is larger than the sum of its proper divisors (71100554).

99540742 is a wasteful number, since it uses less digits than its factorization.

99540742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110062.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 99540742 is about 9977.0106745458. The cubic root of 99540742 is about 463.4472305378.

The spelling of 99540742 in words is "ninety-nine million, five hundred forty thousand, seven hundred forty-two".