99519672 has 128 divisors (see below), whose sum is σ = 298045440. Its totient is φ = 27095040.

The previous prime is 99519671. The next prime is 99519709. The reversal of 99519672 is 27691599.

It is a super-2 number, since 2×99519672² = 19808330229975168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99519671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505078 + ... + 505274.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^99519672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99519672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149022720).

99519672 is an abundant number, since it is smaller than the sum of its proper divisors (198525768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99519672 is a wasteful number, since it uses less digits than its factorization.

99519672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 337 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 99519672 is about 9975.9546911561. The cubic root of 99519672 is about 463.4145286109.

The spelling of 99519672 in words is "ninety-nine million, five hundred nineteen thousand, six hundred seventy-two".