99995574 has 24 divisors (see below), whose sum is σ = 232643448. Its totient is φ = 28570080.

The previous prime is 99995573. The next prime is 99995591. The reversal of 99995574 is 47559999.

It is a super-2 number, since 2×99995574² = 19998229639178952, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169767 + ... + 170354.

It is an arithmetic number, because the mean of its divisors is an integer number (9693477).

Almost surely, 2^99995574 is an apocalyptic number.

99995574 is an abundant number, since it is smaller than the sum of its proper divisors (132647874).

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

99995574 is a wasteful number, since it uses less digits than its factorization.

99995574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340140 (or 340133 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 57.

The square root of 99995574 is about 9999.7786975513. The cubic root of 99995574 is about 464.1520353695.

The spelling of 99995574 in words is "ninety-nine million, nine hundred ninety-five thousand, five hundred seventy-four".