99069645 has 32 divisors (see below), whose sum is σ = 164459520. Its totient is φ = 50872320.

The previous prime is 99069643. The next prime is 99069679. The reversal of 99069645 is 54696099.

It is a happy number.

It is not a de Polignac number, because 99069645 - 2¹ = 99069643 is a prime.

It is a super-3 number, since 3×99069645³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99069594 and 99069603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99069643) 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, 119091 + ... + 119919.

It is an arithmetic number, because the mean of its divisors is an integer number (5139360).

Almost surely, 2^99069645 is an apocalyptic number.

It is an amenable number.

99069645 is a deficient number, since it is larger than the sum of its proper divisors (65389875).

99069645 is a wasteful number, since it uses less digits than its factorization.

99069645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 99069645 is about 9953.3735487020. The cubic root of 99069645 is about 462.7149543785.

The spelling of 99069645 in words is "ninety-nine million, sixty-nine thousand, six hundred forty-five".