34729830 has 32 divisors (see below), whose sum is σ = 92613600. Its totient is φ = 9261216.

The previous prime is 34729817. The next prime is 34729831. The reversal of 34729830 is 3892743.

It is a super-2 number, since 2×34729830² = 2412322183657800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34729831) 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, 64045 + ... + 64584.

It is an arithmetic number, because the mean of its divisors is an integer number (2894175).

Almost surely, 2^34729830 is an apocalyptic number.

34729830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34729830 is an abundant number, since it is smaller than the sum of its proper divisors (57883770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34729830 is a wasteful number, since it uses less digits than its factorization.

34729830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128645 (or 128639 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 34729830 is about 5893.2020158824. The cubic root of 34729830 is about 326.2627951119.

The spelling of 34729830 in words is "thirty-four million, seven hundred twenty-nine thousand, eight hundred thirty".