99481472 has 16 divisors (see below), whose sum is σ = 198186000. Its totient is φ = 49740672.

The previous prime is 99481439. The next prime is 99481483. The reversal of 99481472 is 27418499.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388472 + ... + 388727.

It is an arithmetic number, because the mean of its divisors is an integer number (12386625).

Almost surely, 2^99481472 is an apocalyptic number.

It is an amenable number.

99481472 is a deficient number, since it is larger than the sum of its proper divisors (98704528).

99481472 is an equidigital number, since it uses as much as digits as its factorization.

99481472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777213 (or 777201 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 99481472 is about 9974.0399036699. The cubic root of 99481472 is about 463.3552281058.

The spelling of 99481472 in words is "ninety-nine million, four hundred eighty-one thousand, four hundred seventy-two".