34545490 has 24 divisors (see below), whose sum is σ = 72335052. Its totient is φ = 11844000.

The previous prime is 34545487. The next prime is 34545491. The reversal of 34545490 is 9454543.

It is a happy number.

34545490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34492129 + 53361 = 5873^2 + 231^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (34545491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34761 + ... + 35740.

Almost surely, 2^34545490 is an apocalyptic number.

34545490 is an abundant number, since it is smaller than the sum of its proper divisors (37789562).

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

34545490 is a wasteful number, since it uses less digits than its factorization.

34545490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70522 (or 70515 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 34545490 is about 5877.5411525569. The cubic root of 34545490 is about 325.6845217310.

The spelling of 34545490 in words is "thirty-four million, five hundred forty-five thousand, four hundred ninety".