29758990 has 16 divisors (see below), whose sum is σ = 54706752. Its totient is φ = 11650144.

The previous prime is 29758979. The next prime is 29758991. The reversal of 29758990 is 9985792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29758991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31189 + ... + 32128.

It is an arithmetic number, because the mean of its divisors is an integer number (3419172).

Almost surely, 2^29758990 is an apocalyptic number.

29758990 is a deficient number, since it is larger than the sum of its proper divisors (24947762).

29758990 is a wasteful number, since it uses less digits than its factorization.

29758990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63371.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 29758990 is about 5455.1801070175. The cubic root of 29758990 is about 309.8889300326. Note that the first 3 decimals are identical.

The spelling of 29758990 in words is "twenty-nine million, seven hundred fifty-eight thousand, nine hundred ninety".