90069432 has 32 divisors (see below), whose sum is σ = 225521280. Its totient is φ = 29976800.

The previous prime is 90069407. The next prime is 90069439. The reversal of 90069432 is 23496009.

It is a super-2 number, since 2×90069432² = 16225005161605248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90069393 and 90069402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90069439) 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, 15307 + ... + 20357.

It is an arithmetic number, because the mean of its divisors is an integer number (7047540).

Almost surely, 2^90069432 is an apocalyptic number.

It is an amenable number.

90069432 is an abundant number, since it is smaller than the sum of its proper divisors (135451848).

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

90069432 is a wasteful number, since it uses less digits than its factorization.

90069432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803 (or 5799 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 90069432 is about 9490.4916627117. The cubic root of 90069432 is about 448.2556868461.

The spelling of 90069432 in words is "ninety million, sixty-nine thousand, four hundred thirty-two".