99437505 has 32 divisors (see below), whose sum is σ = 172585728. Its totient is φ = 48691200.

The previous prime is 99437501. The next prime is 99437509. The reversal of 99437505 is 50573499.

It is an interprime number because it is at equal distance from previous prime (99437501) and next prime (99437509).

It is not a de Polignac number, because 99437505 - 2² = 99437501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99437501) 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, 5700 + ... + 15210.

It is an arithmetic number, because the mean of its divisors is an integer number (5393304).

Almost surely, 2^99437505 is an apocalyptic number.

It is an amenable number.

99437505 is a deficient number, since it is larger than the sum of its proper divisors (73148223).

99437505 is a wasteful number, since it uses less digits than its factorization.

99437505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 99437505 is about 9971.8355882957. The cubic root of 99437505 is about 463.2869562929.

The spelling of 99437505 in words is "ninety-nine million, four hundred thirty-seven thousand, five hundred five".