34780090 has 8 divisors (see below), whose sum is σ = 62604180. Its totient is φ = 13912032.

The previous prime is 34780069. The next prime is 34780099. The reversal of 34780090 is 9008743.

It is a happy number.

34780090 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 33721249 + 1058841 = 5807^2 + 1029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (34780099) 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 3 ways as a sum of consecutive naturals, for example, 1738995 + ... + 1739014.

Almost surely, 2^34780090 is an apocalyptic number.

34780090 is a deficient number, since it is larger than the sum of its proper divisors (27824090).

34780090 is a wasteful number, since it uses less digits than its factorization.

34780090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478016.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 34780090 is about 5897.4647095171. The cubic root of 34780090 is about 326.4201052611.

The spelling of 34780090 in words is "thirty-four million, seven hundred eighty thousand, ninety".