34502140 has 24 divisors (see below), whose sum is σ = 72676800. Its totient is φ = 13758528.

The previous prime is 34502123. The next prime is 34502147. The reversal of 34502140 is 4120543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34502147) 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, 4509 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (3028200).

Almost surely, 2^34502140 is an apocalyptic number.

It is an amenable number.

34502140 is an abundant number, since it is smaller than the sum of its proper divisors (38174660).

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

34502140 is a wasteful number, since it uses less digits than its factorization.

34502140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301 (or 5299 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 34502140 is about 5873.8522283081. The cubic root of 34502140 is about 325.5482344402.

Adding to 34502140 its reverse (4120543), we get a palindrome (38622683).

The spelling of 34502140 in words is "thirty-four million, five hundred two thousand, one hundred forty".