29070923 has 4 divisors (see below), whose sum is σ = 33223920. Its totient is φ = 24917928.

The previous prime is 29070917. The next prime is 29070941. The reversal of 29070923 is 32907092.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29070923 - 2¹⁴ = 29054539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29070923.

It is not an unprimeable number, because it can be changed into a prime (29070523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076488 + ... + 2076501.

It is an arithmetic number, because the mean of its divisors is an integer number (8305980).

Almost surely, 2^29070923 is an apocalyptic number.

29070923 is a deficient number, since it is larger than the sum of its proper divisors (4152997).

29070923 is an equidigital number, since it uses as much as digits as its factorization.

29070923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152996.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 29070923 is about 5391.7458211603. The cubic root of 29070923 is about 307.4819360574.

The spelling of 29070923 in words is "twenty-nine million, seventy thousand, nine hundred twenty-three".