99995670 has 48 divisors (see below), whose sum is σ = 273677040. Its totient is φ = 25261632.

The previous prime is 99995669. The next prime is 99995671. The reversal of 99995670 is 7659999.

It is an interprime number because it is at equal distance from previous prime (99995669) and next prime (99995671).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27529 + ... + 30948.

It is an arithmetic number, because the mean of its divisors is an integer number (5701605).

Almost surely, 2^99995670 is an apocalyptic number.

99995670 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

99995670 is an abundant number, since it is smaller than the sum of its proper divisors (173681370).

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

99995670 is a wasteful number, since it uses less digits than its factorization.

99995670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58509 (or 58506 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 99995670 is about 9999.7834976563. The cubic root of 99995670 is about 464.1521839047.

It can be divided in two parts, 999 and 95670, that added together give a palindrome (96669).

The spelling of 99995670 in words is "ninety-nine million, nine hundred ninety-five thousand, six hundred seventy".