99474945 has 8 divisors (see below), whose sum is σ = 159159936. Its totient is φ = 53053296.

The previous prime is 99474941. The next prime is 99475021. The reversal of 99474945 is 54947499.

It is a happy number.

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

It is not a de Polignac number, because 99474945 - 2² = 99474941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99474941) 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, 3315817 + ... + 3315846.

It is an arithmetic number, because the mean of its divisors is an integer number (19894992).

Almost surely, 2^99474945 is an apocalyptic number.

It is an amenable number.

99474945 is a deficient number, since it is larger than the sum of its proper divisors (59684991).

99474945 is a wasteful number, since it uses less digits than its factorization.

99474945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631671.

The product of its digits is 1632960, while the sum is 51.

The square root of 99474945 is about 9973.7126988900. The cubic root of 99474945 is about 463.3450942733.

It can be divided in two parts, 9947494 and 5, that added together give a palindrome (9947499).

The spelling of 99474945 in words is "ninety-nine million, four hundred seventy-four thousand, nine hundred forty-five".