99472905 has 48 divisors (see below), whose sum is σ = 197768064. Its totient is φ = 45308160.

The previous prime is 99472903. The next prime is 99472913. The reversal of 99472905 is 50927499.

99472905 is a `hidden beast` number, since 99 + 472 + 90 + 5 = 666.

It is not a de Polignac number, because 99472905 - 2¹ = 99472903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (99472903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143610 + ... + 144300.

It is an arithmetic number, because the mean of its divisors is an integer number (4120168).

Almost surely, 2^99472905 is an apocalyptic number.

It is an amenable number.

99472905 is a deficient number, since it is larger than the sum of its proper divisors (98295159).

99472905 is a wasteful number, since it uses less digits than its factorization.

99472905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 99472905 is about 9973.6104295285. The cubic root of 99472905 is about 463.3419268745.

The spelling of 99472905 in words is "ninety-nine million, four hundred seventy-two thousand, nine hundred five".