34129240 has 32 divisors (see below), whose sum is σ = 80131680. Its totient is φ = 13057792.

The previous prime is 34129219. The next prime is 34129243. The reversal of 34129240 is 4292143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34129243) 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, 17629 + ... + 19468.

It is an arithmetic number, because the mean of its divisors is an integer number (2504115).

Almost surely, 2^34129240 is an apocalyptic number.

It is an amenable number.

34129240 is an abundant number, since it is smaller than the sum of its proper divisors (46002440).

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

34129240 is a wasteful number, since it uses less digits than its factorization.

34129240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37131 (or 37127 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 34129240 is about 5842.0236219995. The cubic root of 34129240 is about 324.3711389955.

The spelling of 34129240 in words is "thirty-four million, one hundred twenty-nine thousand, two hundred forty".