29069991 has 12 divisors (see below), whose sum is σ = 42063840. Its totient is φ = 19345920.

The previous prime is 29069959. The next prime is 29070007. The reversal of 29069991 is 19996092.

It is a happy number.

It is not a de Polignac number, because 29069991 - 2⁵ = 29069959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29069191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3250 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (3505320).

Almost surely, 2^29069991 is an apocalyptic number.

29069991 is a deficient number, since it is larger than the sum of its proper divisors (12993849).

29069991 is a wasteful number, since it uses less digits than its factorization.

29069991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5683 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 29069991 is about 5391.6593920610. The cubic root of 29069991 is about 307.4786501140.

The spelling of 29069991 in words is "twenty-nine million, sixty-nine thousand, nine hundred ninety-one".