29057290 has 16 divisors (see below), whose sum is σ = 52364520. Its totient is φ = 11609280.

The previous prime is 29057201. The next prime is 29057299. The reversal of 29057290 is 9275092.

It can be written as a sum of positive squares in 4 ways, for example, as 13446889 + 15610401 = 3667^2 + 3951^2 .

It is a super-2 number, since 2×29057290² = 1688652204288200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29057299) 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, 15820 + ... + 17560.

Almost surely, 2^29057290 is an apocalyptic number.

29057290 is a deficient number, since it is larger than the sum of its proper divisors (23307230).

29057290 is a wasteful number, since it uses less digits than its factorization.

29057290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 29057290 is about 5390.4814256242. The cubic root of 29057290 is about 307.4338633185.

The spelling of 29057290 in words is "twenty-nine million, fifty-seven thousand, two hundred ninety".