29918069 has 8 divisors (see below), whose sum is σ = 31637760. Its totient is φ = 28245600.

The previous prime is 29918059. The next prime is 29918081. The reversal of 29918069 is 96081992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29918069 - 2⁸ = 29917813 is a prime.

It is a super-2 number, since 2×29918069² = 1790181705377522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29918029) 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, 10499 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (3954720).

Almost surely, 2^29918069 is an apocalyptic number.

It is an amenable number.

29918069 is a deficient number, since it is larger than the sum of its proper divisors (1719691).

29918069 is a wasteful number, since it uses less digits than its factorization.

29918069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23611.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 29918069 is about 5469.7412187415. The cubic root of 29918069 is about 310.4401275143.

The spelling of 29918069 in words is "twenty-nine million, nine hundred eighteen thousand, sixty-nine".