29312842 has 32 divisors (see below), whose sum is σ = 49053312. Its totient is φ = 13051584.

The previous prime is 29312837. The next prime is 29312849. The reversal of 29312842 is 24821392.

It is a super-2 number, since 2×29312842² = 1718485412233928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29312849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175443 + ... + 175609.

It is an arithmetic number, because the mean of its divisors is an integer number (1532916).

Almost surely, 2^29312842 is an apocalyptic number.

29312842 is a deficient number, since it is larger than the sum of its proper divisors (19740470).

29312842 is a wasteful number, since it uses less digits than its factorization.

29312842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382.

The product of its digits is 6912, while the sum is 31.

The square root of 29312842 is about 5414.1335410202. The cubic root of 29312842 is about 308.3325033985.

The spelling of 29312842 in words is "twenty-nine million, three hundred twelve thousand, eight hundred forty-two".