34278090 has 192 divisors, whose sum is σ = 110315520. Its totient is φ = 6652800.

The previous prime is 34278089. The next prime is 34278107. The reversal of 34278090 is 9087243.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 482755 + ... + 482825.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^34278090 is an apocalyptic number.

34278090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34278090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55157760).

34278090 is an abundant number, since it is smaller than the sum of its proper divisors (76037430).

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

34278090 is a wasteful number, since it uses less digits than its factorization.

34278090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 34278090 is about 5854.7493541568. The cubic root of 34278090 is about 324.8420218407.

The spelling of 34278090 in words is "thirty-four million, two hundred seventy-eight thousand, ninety".