34136730 has 48 divisors (see below), whose sum is σ = 93431520. Its totient is φ = 8623584.

The previous prime is 34136699. The next prime is 34136743. The reversal of 34136730 is 3763143.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34136694 and 34136703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8272 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (1946490).

Almost surely, 2^34136730 is an apocalyptic number.

34136730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34136730 is an abundant number, since it is smaller than the sum of its proper divisors (59294790).

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

34136730 is a wasteful number, since it uses less digits than its factorization.

34136730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19995 (or 19992 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 34136730 is about 5842.6646318268. The cubic root of 34136730 is about 324.3948660803.

Adding to 34136730 its reverse (3763143), we get a palindrome (37899873).

The spelling of 34136730 in words is "thirty-four million, one hundred thirty-six thousand, seven hundred thirty".