29640034 has 16 divisors (see below), whose sum is σ = 45862200. Its totient is φ = 14356224.

The previous prime is 29640011. The next prime is 29640049. The reversal of 29640034 is 43004692.

It can be written as a sum of positive squares in 4 ways, for example, as 20729809 + 8910225 = 4553^2 + 2985^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29639984 and 29640011.

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, 19162 + ... + 20650.

Almost surely, 2^29640034 is an apocalyptic number.

29640034 is a deficient number, since it is larger than the sum of its proper divisors (16222166).

29640034 is a wasteful number, since it uses less digits than its factorization.

29640034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 29640034 is about 5444.2661580786. The cubic root of 29640034 is about 309.4754709425.

The spelling of 29640034 in words is "twenty-nine million, six hundred forty thousand, thirty-four".