34457140 has 12 divisors (see below), whose sum is σ = 72360036. Its totient is φ = 13782848.

The previous prime is 34457117. The next prime is 34457141. The reversal of 34457140 is 4175443.

It can be written as a sum of positive squares in 2 ways, for example, as 13278736 + 21178404 = 3644^2 + 4602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34457099 and 34457108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34457141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861409 + ... + 861448.

It is an arithmetic number, because the mean of its divisors is an integer number (6030003).

Almost surely, 2^34457140 is an apocalyptic number.

It is an amenable number.

34457140 is an abundant number, since it is smaller than the sum of its proper divisors (37902896).

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

34457140 is a wasteful number, since it uses less digits than its factorization.

34457140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722866 (or 1722864 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 34457140 is about 5870.0204428946. The cubic root of 34457140 is about 325.4066389315.

It can be divided in two parts, 3445 and 7140, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 34457140 in words is "thirty-four million, four hundred fifty-seven thousand, one hundred forty".