29427890 has 16 divisors (see below), whose sum is σ = 53170560. Its totient is φ = 11726640.

The previous prime is 29427887. The next prime is 29427907. The reversal of 29427890 is 9872492.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (3323160).

Almost surely, 2^29427890 is an apocalyptic number.

29427890 is a deficient number, since it is larger than the sum of its proper divisors (23742670).

29427890 is a wasteful number, since it uses less digits than its factorization.

29427890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 29427890 is about 5424.7479204107. The cubic root of 29427890 is about 308.7353613017.

The spelling of 29427890 in words is "twenty-nine million, four hundred twenty-seven thousand, eight hundred ninety".