34478790 has 32 divisors (see below), whose sum is σ = 83363040. Its totient is φ = 9126144.

The previous prime is 34478729. The next prime is 34478791. The reversal of 34478790 is 9787443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478791) 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 15 ways as a sum of consecutive naturals, for example, 85 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (2605095).

Almost surely, 2^34478790 is an apocalyptic number.

34478790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34478790 is an abundant number, since it is smaller than the sum of its proper divisors (48884250).

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

34478790 is a wasteful number, since it uses less digits than its factorization.

34478790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 34478790 is about 5871.8642695485. The cubic root of 34478790 is about 325.4747774822.

The spelling of 34478790 in words is "thirty-four million, four hundred seventy-eight thousand, seven hundred ninety".