99440672 has 24 divisors (see below), whose sum is σ = 196628796. Its totient is φ = 49503232.

The previous prime is 99440657. The next prime is 99440711. The reversal of 99440672 is 27604499.

It can be written as a sum of positive squares in 2 ways, for example, as 92236816 + 7203856 = 9604^2 + 2684^2 .

It is a super-3 number, since 3×99440672³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 14124.

Almost surely, 2^99440672 is an apocalyptic number.

It is an amenable number.

99440672 is a deficient number, since it is larger than the sum of its proper divisors (97188124).

99440672 is a wasteful number, since it uses less digits than its factorization.

99440672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13580 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 99440672 is about 9971.9943842744. The cubic root of 99440672 is about 463.2918746726.

The spelling of 99440672 in words is "ninety-nine million, four hundred forty thousand, six hundred seventy-two".