99492745 has 8 divisors (see below), whose sum is σ = 130245120. Its totient is φ = 72358320.

The previous prime is 99492739. The next prime is 99492781. The reversal of 99492745 is 54729499.

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

It is not a de Polignac number, because 99492745 - 2³ = 99492737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904425 + ... + 904534.

It is an arithmetic number, because the mean of its divisors is an integer number (16280640).

Almost surely, 2^99492745 is an apocalyptic number.

It is an amenable number.

99492745 is a deficient number, since it is larger than the sum of its proper divisors (30752375).

99492745 is a wasteful number, since it uses less digits than its factorization.

99492745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808975.

The product of its digits is 816480, while the sum is 49.

The square root of 99492745 is about 9974.6050047107. The cubic root of 99492745 is about 463.3727295430.

It can be divided in two parts, 994 and 92745, that added together give a palindrome (93739).

The spelling of 99492745 in words is "ninety-nine million, four hundred ninety-two thousand, seven hundred forty-five".