99999374 has 16 divisors (see below), whose sum is σ = 153646416. Its totient is φ = 48796800.

The previous prime is 99999373. The next prime is 99999401. The reversal of 99999374 is 47399999.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12854 + ... + 19110.

It is an arithmetic number, because the mean of its divisors is an integer number (9602901).

Almost surely, 2^99999374 is an apocalyptic number.

99999374 is a deficient number, since it is larger than the sum of its proper divisors (53647042).

99999374 is a wasteful number, since it uses less digits than its factorization.

99999374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its digits is 4960116, while the sum is 59.

The square root of 99999374 is about 9999.9686999510. The cubic root of 99999374 is about 464.1579148144.

The spelling of 99999374 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred seventy-four".